Home / 13,147,320.90-19,720,981.35-8,900,588.10

Finding the Fourth Proportional to 13,147,320.90, 19,720,981.35 and 8,900,588.10

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Solution

The fourth proportional to 13,147,320.90, 19,720,981.35 and 8,900,588.10 is: 13,350,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,320.90 : 19,720,981.35 = 8,900,588.10 : x
  2. Step 2: Convert to fraction form
    13,147,320.90/19,720,981.35 = 8,900,588.10/x
  3. Step 3: Cross multiply
    13,147,320.90x = 19,720,981.35 × 8,900,588.10
  4. Step 4: Simplify right side
    13,147,320.90x = 175,528,331,924,131.94
  5. Step 5: Solve for x
    x = 175,528,331,924,131.94/13,147,320.90
  6. Step 6: Final answer
    x = 13,350,882.15

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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.