Home / 20,064,970.08-30,089,753.28-8,543,132.40

Finding the Fourth Proportional to 20,064,970.08, 30,089,753.28 and 8,543,132.40

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Solution

The fourth proportional to 20,064,970.08, 30,089,753.28 and 8,543,132.40 is: 12,811,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064,970.08 : 30,089,753.28 = 8,543,132.40 : x
  2. Step 2: Convert to fraction form
    20,064,970.08/30,089,753.28 = 8,543,132.40/x
  3. Step 3: Cross multiply
    20,064,970.08x = 30,089,753.28 × 8,543,132.40
  4. Step 4: Simplify right side
    20,064,970.08x = 257,060,746,154,374.28
  5. Step 5: Solve for x
    x = 257,060,746,154,374.28/20,064,970.08
  6. Step 6: Final answer
    x = 12,811,419.36

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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.