Home / 10,461,709.60-15,692,564.40-9,160,007.20

Finding the Fourth Proportional to 10,461,709.60, 15,692,564.40 and 9,160,007.20

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Solution

The fourth proportional to 10,461,709.60, 15,692,564.40 and 9,160,007.20 is: 13,740,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461,709.60 : 15,692,564.40 = 9,160,007.20 : x
  2. Step 2: Convert to fraction form
    10,461,709.60/15,692,564.40 = 9,160,007.20/x
  3. Step 3: Cross multiply
    10,461,709.60x = 15,692,564.40 × 9,160,007.20
  4. Step 4: Simplify right side
    10,461,709.60x = 143,744,002,890,463.66
  5. Step 5: Solve for x
    x = 143,744,002,890,463.66/10,461,709.60
  6. Step 6: Final answer
    x = 13,740,010.80

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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.