Home / 10,881,607.20-16,357,840.20-7,708,707.60

Finding the Fourth Proportional to 10,881,607.20, 16,357,840.20 and 7,708,707.60

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Solution

The fourth proportional to 10,881,607.20, 16,357,840.20 and 7,708,707.60 is: 11,588,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,607.20 : 16,357,840.20 = 7,708,707.60 : x
  2. Step 2: Convert to fraction form
    10,881,607.20/16,357,840.20 = 7,708,707.60/x
  3. Step 3: Cross multiply
    10,881,607.20x = 16,357,840.20 × 7,708,707.60
  4. Step 4: Simplify right side
    10,881,607.20x = 126,097,807,069,325.52
  5. Step 5: Solve for x
    x = 126,097,807,069,325.52/10,881,607.20
  6. Step 6: Final answer
    x = 11,588,160.16

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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.