Home / 13,812,019.65-20,712,328.79-4,714,850.75

Finding the Fourth Proportional to 13,812,019.65, 20,712,328.79 and 4,714,850.75

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Solution

The fourth proportional to 13,812,019.65, 20,712,328.79 and 4,714,850.75 is: 7,070,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,019.65 : 20,712,328.79 = 4,714,850.75 : x
  2. Step 2: Convert to fraction form
    13,812,019.65/20,712,328.79 = 4,714,850.75/x
  3. Step 3: Cross multiply
    13,812,019.65x = 20,712,328.79 × 4,714,850.75
  4. Step 4: Simplify right side
    13,812,019.65x = 97,655,538,802,642.20
  5. Step 5: Solve for x
    x = 97,655,538,802,642.20/13,812,019.65
  6. Step 6: Final answer
    x = 7,070,330.14

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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.