Home / 12,898,747.38-17,799,737.70-7,018,405.77

Finding the Fourth Proportional to 12,898,747.38, 17,799,737.70 and 7,018,405.77

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Solution

The fourth proportional to 12,898,747.38, 17,799,737.70 and 7,018,405.77 is: 9,685,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,747.38 : 17,799,737.70 = 7,018,405.77 : x
  2. Step 2: Convert to fraction form
    12,898,747.38/17,799,737.70 = 7,018,405.77/x
  3. Step 3: Cross multiply
    12,898,747.38x = 17,799,737.70 × 7,018,405.77
  4. Step 4: Simplify right side
    12,898,747.38x = 124,925,781,778,166.52
  5. Step 5: Solve for x
    x = 124,925,781,778,166.52/12,898,747.38
  6. Step 6: Final answer
    x = 9,685,109.58

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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.