Home / 9,658,840.80-14,488,261.20-7,249,641.60

Finding the Fourth Proportional to 9,658,840.80, 14,488,261.20 and 7,249,641.60

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Solution

The fourth proportional to 9,658,840.80, 14,488,261.20 and 7,249,641.60 is: 10,874,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,658,840.80 : 14,488,261.20 = 7,249,641.60 : x
  2. Step 2: Convert to fraction form
    9,658,840.80/14,488,261.20 = 7,249,641.60/x
  3. Step 3: Cross multiply
    9,658,840.80x = 14,488,261.20 × 7,249,641.60
  4. Step 4: Simplify right side
    9,658,840.80x = 105,034,701,107,185.91
  5. Step 5: Solve for x
    x = 105,034,701,107,185.91/9,658,840.80
  6. Step 6: Final answer
    x = 10,874,462.40

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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.