Home / 15,614,973.02-21,549,336.16-8,645,650.71

Finding the Fourth Proportional to 15,614,973.02, 21,549,336.16 and 8,645,650.71

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Solution

The fourth proportional to 15,614,973.02, 21,549,336.16 and 8,645,650.71 is: 11,931,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,973.02 : 21,549,336.16 = 8,645,650.71 : x
  2. Step 2: Convert to fraction form
    15,614,973.02/21,549,336.16 = 8,645,650.71/x
  3. Step 3: Cross multiply
    15,614,973.02x = 21,549,336.16 × 8,645,650.71
  4. Step 4: Simplify right side
    15,614,973.02x = 186,308,033,471,732.69
  5. Step 5: Solve for x
    x = 186,308,033,471,732.69/15,614,973.02
  6. Step 6: Final answer
    x = 11,931,370.82

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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.