Home / 42,988,915.04-64,493,334.35-12,283,894.31

Finding the Fourth Proportional to 42,988,915.04, 64,493,334.35 and 12,283,894.31

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Solution

The fourth proportional to 42,988,915.04, 64,493,334.35 and 12,283,894.31 is: 18,428,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,988,915.04 : 64,493,334.35 = 12,283,894.31 : x
  2. Step 2: Convert to fraction form
    42,988,915.04/64,493,334.35 = 12,283,894.31/x
  3. Step 3: Cross multiply
    42,988,915.04x = 64,493,334.35 × 12,283,894.31
  4. Step 4: Simplify right side
    42,988,915.04x = 792,229,302,471,006.38
  5. Step 5: Solve for x
    x = 792,229,302,471,006.38/42,988,915.04
  6. Step 6: Final answer
    x = 18,428,688.00

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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.