Home / 21,559,029.60-32,343,037.20-7,186,562.40

Finding the Fourth Proportional to 21,559,029.60, 32,343,037.20 and 7,186,562.40

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Solution

The fourth proportional to 21,559,029.60, 32,343,037.20 and 7,186,562.40 is: 10,781,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,029.60 : 32,343,037.20 = 7,186,562.40 : x
  2. Step 2: Convert to fraction form
    21,559,029.60/32,343,037.20 = 7,186,562.40/x
  3. Step 3: Cross multiply
    21,559,029.60x = 32,343,037.20 × 7,186,562.40
  4. Step 4: Simplify right side
    21,559,029.60x = 232,435,255,043,321.28
  5. Step 5: Solve for x
    x = 232,435,255,043,321.28/21,559,029.60
  6. Step 6: Final answer
    x = 10,781,341.25

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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.