Home / 13,657,130.64-20,468,035.68-10,218,437.60

Finding the Fourth Proportional to 13,657,130.64, 20,468,035.68 and 10,218,437.60

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Solution

The fourth proportional to 13,657,130.64, 20,468,035.68 and 10,218,437.60 is: 15,314,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657,130.64 : 20,468,035.68 = 10,218,437.60 : x
  2. Step 2: Convert to fraction form
    13,657,130.64/20,468,035.68 = 10,218,437.60/x
  3. Step 3: Cross multiply
    13,657,130.64x = 20,468,035.68 × 10,218,437.60
  4. Step 4: Simplify right side
    13,657,130.64x = 209,151,345,390,653.56
  5. Step 5: Solve for x
    x = 209,151,345,390,653.56/13,657,130.64
  6. Step 6: Final answer
    x = 15,314,442.76

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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.