Home / 20,671,548-31,007,598.48-6,488,124

Finding the Fourth Proportional to 20,671,548, 31,007,598.48 and 6,488,124

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Solution

The fourth proportional to 20,671,548, 31,007,598.48 and 6,488,124 is: 9,732,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,548 : 31,007,598.48 = 6,488,124 : x
  2. Step 2: Convert to fraction form
    20,671,548/31,007,598.48 = 6,488,124/x
  3. Step 3: Cross multiply
    20,671,548x = 31,007,598.48 × 6,488,124
  4. Step 4: Simplify right side
    20,671,548x = 201,181,143,880,451.53
  5. Step 5: Solve for x
    x = 201,181,143,880,451.53/20,671,548
  6. Step 6: Final answer
    x = 9,732,272.78

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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.