Home / 10,544,487.60-15,804,289.80-7,881,985.20

Finding the Fourth Proportional to 10,544,487.60, 15,804,289.80 and 7,881,985.20

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Solution

The fourth proportional to 10,544,487.60, 15,804,289.80 and 7,881,985.20 is: 11,813,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,544,487.60 : 15,804,289.80 = 7,881,985.20 : x
  2. Step 2: Convert to fraction form
    10,544,487.60/15,804,289.80 = 7,881,985.20/x
  3. Step 3: Cross multiply
    10,544,487.60x = 15,804,289.80 × 7,881,985.20
  4. Step 4: Simplify right side
    10,544,487.60x = 124,569,178,300,110.97
  5. Step 5: Solve for x
    x = 124,569,178,300,110.97/10,544,487.60
  6. Step 6: Final answer
    x = 11,813,677.73

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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.