Home / 19,877,867.14-29,817,465.72-5,499,731.32

Finding the Fourth Proportional to 19,877,867.14, 29,817,465.72 and 5,499,731.32

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Solution

The fourth proportional to 19,877,867.14, 29,817,465.72 and 5,499,731.32 is: 8,249,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877,867.14 : 29,817,465.72 = 5,499,731.32 : x
  2. Step 2: Convert to fraction form
    19,877,867.14/29,817,465.72 = 5,499,731.32/x
  3. Step 3: Cross multiply
    19,877,867.14x = 29,817,465.72 × 5,499,731.32
  4. Step 4: Simplify right side
    19,877,867.14x = 163,988,050,103,310.34
  5. Step 5: Solve for x
    x = 163,988,050,103,310.34/19,877,867.14
  6. Step 6: Final answer
    x = 8,249,780.97

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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.