Home / 19,249,538.30-28,874,307.45-6,465,794.30

Finding the Fourth Proportional to 19,249,538.30, 28,874,307.45 and 6,465,794.30

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Solution

The fourth proportional to 19,249,538.30, 28,874,307.45 and 6,465,794.30 is: 9,698,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,249,538.30 : 28,874,307.45 = 6,465,794.30 : x
  2. Step 2: Convert to fraction form
    19,249,538.30/28,874,307.45 = 6,465,794.30/x
  3. Step 3: Cross multiply
    19,249,538.30x = 28,874,307.45 × 6,465,794.30
  4. Step 4: Simplify right side
    19,249,538.30x = 186,695,332,526,657.53
  5. Step 5: Solve for x
    x = 186,695,332,526,657.53/19,249,538.30
  6. Step 6: Final answer
    x = 9,698,691.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.