Home / 30,346,548.30-45,519,822.45-9,878,196.60

Finding the Fourth Proportional to 30,346,548.30, 45,519,822.45 and 9,878,196.60

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Solution

The fourth proportional to 30,346,548.30, 45,519,822.45 and 9,878,196.60 is: 14,817,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346,548.30 : 45,519,822.45 = 9,878,196.60 : x
  2. Step 2: Convert to fraction form
    30,346,548.30/45,519,822.45 = 9,878,196.60/x
  3. Step 3: Cross multiply
    30,346,548.30x = 45,519,822.45 × 9,878,196.60
  4. Step 4: Simplify right side
    30,346,548.30x = 449,653,755,358,193.69
  5. Step 5: Solve for x
    x = 449,653,755,358,193.69/30,346,548.30
  6. Step 6: Final answer
    x = 14,817,294.90

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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.