Home / 15,371,659.60-23,056,657.80-7,798,428.52

Finding the Fourth Proportional to 15,371,659.60, 23,056,657.80 and 7,798,428.52

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Solution

The fourth proportional to 15,371,659.60, 23,056,657.80 and 7,798,428.52 is: 11,697,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371,659.60 : 23,056,657.80 = 7,798,428.52 : x
  2. Step 2: Convert to fraction form
    15,371,659.60/23,056,657.80 = 7,798,428.52/x
  3. Step 3: Cross multiply
    15,371,659.60x = 23,056,657.80 × 7,798,428.52
  4. Step 4: Simplify right side
    15,371,659.60x = 179,805,697,676,514.72
  5. Step 5: Solve for x
    x = 179,805,697,676,514.72/15,371,659.60
  6. Step 6: Final answer
    x = 11,697,220.88

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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.