Home / 12,572,042.70-18,830,070.45-10,892,426.70

Finding the Fourth Proportional to 12,572,042.70, 18,830,070.45 and 10,892,426.70

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Solution

The fourth proportional to 12,572,042.70, 18,830,070.45 and 10,892,426.70 is: 16,314,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,042.70 : 18,830,070.45 = 10,892,426.70 : x
  2. Step 2: Convert to fraction form
    12,572,042.70/18,830,070.45 = 10,892,426.70/x
  3. Step 3: Cross multiply
    12,572,042.70x = 18,830,070.45 × 10,892,426.70
  4. Step 4: Simplify right side
    12,572,042.70x = 205,105,162,132,461
  5. Step 5: Solve for x
    x = 205,105,162,132,461/12,572,042.70
  6. Step 6: Final answer
    x = 16,314,386.38

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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.