Home / 28,444,456.50-42,672,066.63-9,018,575.30

Finding the Fourth Proportional to 28,444,456.50, 42,672,066.63 and 9,018,575.30

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Solution

The fourth proportional to 28,444,456.50, 42,672,066.63 and 9,018,575.30 is: 13,529,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444,456.50 : 42,672,066.63 = 9,018,575.30 : x
  2. Step 2: Convert to fraction form
    28,444,456.50/42,672,066.63 = 9,018,575.30/x
  3. Step 3: Cross multiply
    28,444,456.50x = 42,672,066.63 × 9,018,575.30
  4. Step 4: Simplify right side
    28,444,456.50x = 384,841,246,017,957.81
  5. Step 5: Solve for x
    x = 384,841,246,017,957.81/28,444,456.50
  6. Step 6: Final answer
    x = 13,529,569.32

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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.