Home / 28,294,045.94-42,441,063.45-12,109,502.36

Finding the Fourth Proportional to 28,294,045.94, 42,441,063.45 and 12,109,502.36

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Solution

The fourth proportional to 28,294,045.94, 42,441,063.45 and 12,109,502.36 is: 18,164,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294,045.94 : 42,441,063.45 = 12,109,502.36 : x
  2. Step 2: Convert to fraction form
    28,294,045.94/42,441,063.45 = 12,109,502.36/x
  3. Step 3: Cross multiply
    28,294,045.94x = 42,441,063.45 × 12,109,502.36
  4. Step 4: Simplify right side
    28,294,045.94x = 513,940,158,069,376.81
  5. Step 5: Solve for x
    x = 513,940,158,069,376.81/28,294,045.94
  6. Step 6: Final answer
    x = 18,164,251.20

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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.