Home / 39,367,633.90-54,330,416.12-21,730,038.66

Finding the Fourth Proportional to 39,367,633.90, 54,330,416.12 and 21,730,038.66

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Solution

The fourth proportional to 39,367,633.90, 54,330,416.12 and 21,730,038.66 is: 29,989,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367,633.90 : 54,330,416.12 = 21,730,038.66 : x
  2. Step 2: Convert to fraction form
    39,367,633.90/54,330,416.12 = 21,730,038.66/x
  3. Step 3: Cross multiply
    39,367,633.90x = 54,330,416.12 × 21,730,038.66
  4. Step 4: Simplify right side
    39,367,633.90x = 1,180,602,042,701,487.25
  5. Step 5: Solve for x
    x = 1,180,602,042,701,487.25/39,367,633.90
  6. Step 6: Final answer
    x = 29,989,154.18

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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.