Home / 16,545,215.28-24,818,133.96-5,185,412.40

Finding the Fourth Proportional to 16,545,215.28, 24,818,133.96 and 5,185,412.40

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Solution

The fourth proportional to 16,545,215.28, 24,818,133.96 and 5,185,412.40 is: 7,778,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545,215.28 : 24,818,133.96 = 5,185,412.40 : x
  2. Step 2: Convert to fraction form
    16,545,215.28/24,818,133.96 = 5,185,412.40/x
  3. Step 3: Cross multiply
    16,545,215.28x = 24,818,133.96 × 5,185,412.40
  4. Step 4: Simplify right side
    16,545,215.28x = 128,692,259,581,045.12
  5. Step 5: Solve for x
    x = 128,692,259,581,045.12/16,545,215.28
  6. Step 6: Final answer
    x = 7,778,216.08

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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.