Home / 10,429,652.40-15,625,816.20-8,526,087.60

Finding the Fourth Proportional to 10,429,652.40, 15,625,816.20 and 8,526,087.60

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Solution

The fourth proportional to 10,429,652.40, 15,625,816.20 and 8,526,087.60 is: 12,773,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,652.40 : 15,625,816.20 = 8,526,087.60 : x
  2. Step 2: Convert to fraction form
    10,429,652.40/15,625,816.20 = 8,526,087.60/x
  3. Step 3: Cross multiply
    10,429,652.40x = 15,625,816.20 × 8,526,087.60
  4. Step 4: Simplify right side
    10,429,652.40x = 133,227,077,742,699.11
  5. Step 5: Solve for x
    x = 133,227,077,742,699.11/10,429,652.40
  6. Step 6: Final answer
    x = 12,773,875.16

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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.