Home / 38,851,929.90-58,294,224.45-20,880,038.70

Finding the Fourth Proportional to 38,851,929.90, 58,294,224.45 and 20,880,038.70

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Solution

The fourth proportional to 38,851,929.90, 58,294,224.45 and 20,880,038.70 is: 31,328,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851,929.90 : 58,294,224.45 = 20,880,038.70 : x
  2. Step 2: Convert to fraction form
    38,851,929.90/58,294,224.45 = 20,880,038.70/x
  3. Step 3: Cross multiply
    38,851,929.90x = 58,294,224.45 × 20,880,038.70
  4. Step 4: Simplify right side
    38,851,929.90x = 1,217,185,662,502,486.25
  5. Step 5: Solve for x
    x = 1,217,185,662,502,486.25/38,851,929.90
  6. Step 6: Final answer
    x = 31,328,834.00

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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.