Home / 7,128,001.30-10,692,001.95-6,970,537.30

Finding the Fourth Proportional to 7,128,001.30, 10,692,001.95 and 6,970,537.30

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Solution

The fourth proportional to 7,128,001.30, 10,692,001.95 and 6,970,537.30 is: 10,455,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,001.30 : 10,692,001.95 = 6,970,537.30 : x
  2. Step 2: Convert to fraction form
    7,128,001.30/10,692,001.95 = 6,970,537.30/x
  3. Step 3: Cross multiply
    7,128,001.30x = 10,692,001.95 × 6,970,537.30
  4. Step 4: Simplify right side
    7,128,001.30x = 74,528,998,404,147.73
  5. Step 5: Solve for x
    x = 74,528,998,404,147.73/7,128,001.30
  6. Step 6: Final answer
    x = 10,455,805.95

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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.