Home / 10,221,221.52-15,316,684.74-4,148,565.12

Finding the Fourth Proportional to 10,221,221.52, 15,316,684.74 and 4,148,565.12

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Solution

The fourth proportional to 10,221,221.52, 15,316,684.74 and 4,148,565.12 is: 6,216,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,221.52 : 15,316,684.74 = 4,148,565.12 : x
  2. Step 2: Convert to fraction form
    10,221,221.52/15,316,684.74 = 4,148,565.12/x
  3. Step 3: Cross multiply
    10,221,221.52x = 15,316,684.74 × 4,148,565.12
  4. Step 4: Simplify right side
    10,221,221.52x = 63,542,264,066,400.27
  5. Step 5: Solve for x
    x = 63,542,264,066,400.27/10,221,221.52
  6. Step 6: Final answer
    x = 6,216,699.63

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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.