Home / 15,696,478.30-23,559,751.05-8,128,875.10

Finding the Fourth Proportional to 15,696,478.30, 23,559,751.05 and 8,128,875.10

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Solution

The fourth proportional to 15,696,478.30, 23,559,751.05 and 8,128,875.10 is: 12,201,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,478.30 : 23,559,751.05 = 8,128,875.10 : x
  2. Step 2: Convert to fraction form
    15,696,478.30/23,559,751.05 = 8,128,875.10/x
  3. Step 3: Cross multiply
    15,696,478.30x = 23,559,751.05 × 8,128,875.10
  4. Step 4: Simplify right side
    15,696,478.30x = 191,514,273,672,543.84
  5. Step 5: Solve for x
    x = 191,514,273,672,543.84/15,696,478.30
  6. Step 6: Final answer
    x = 12,201,098.23

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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.