Home / 15,614,878.02-21,549,205.17-8,645,555.58

Finding the Fourth Proportional to 15,614,878.02, 21,549,205.17 and 8,645,555.58

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Solution

The fourth proportional to 15,614,878.02, 21,549,205.17 and 8,645,555.58 is: 11,931,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,878.02 : 21,549,205.17 = 8,645,555.58 : x
  2. Step 2: Convert to fraction form
    15,614,878.02/21,549,205.17 = 8,645,555.58/x
  3. Step 3: Cross multiply
    15,614,878.02x = 21,549,205.17 × 8,645,555.58
  4. Step 4: Simplify right side
    15,614,878.02x = 186,304,851,002,058.38
  5. Step 5: Solve for x
    x = 186,304,851,002,058.38/15,614,878.02
  6. Step 6: Final answer
    x = 11,931,239.60

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1.5x scale

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.