Home / 15,900,465.11-21,956,280.27-15,386,296.01

Finding the Fourth Proportional to 15,900,465.11, 21,956,280.27 and 15,386,296.01

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Solution

The fourth proportional to 15,900,465.11, 21,956,280.27 and 15,386,296.01 is: 21,246,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900,465.11 : 21,956,280.27 = 15,386,296.01 : x
  2. Step 2: Convert to fraction form
    15,900,465.11/21,956,280.27 = 15,386,296.01/x
  3. Step 3: Cross multiply
    15,900,465.11x = 21,956,280.27 × 15,386,296.01
  4. Step 4: Simplify right side
    15,900,465.11x = 337,825,827,512,742.69
  5. Step 5: Solve for x
    x = 337,825,827,512,742.69/15,900,465.11
  6. Step 6: Final answer
    x = 21,246,285.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.