Home / 42,707,247.30-64,071,795.06-12,415,110.30

Finding the Fourth Proportional to 42,707,247.30, 64,071,795.06 and 12,415,110.30

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Solution

The fourth proportional to 42,707,247.30, 64,071,795.06 and 12,415,110.30 is: 18,625,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,707,247.30 : 64,071,795.06 = 12,415,110.30 : x
  2. Step 2: Convert to fraction form
    42,707,247.30/64,071,795.06 = 12,415,110.30/x
  3. Step 3: Cross multiply
    42,707,247.30x = 64,071,795.06 × 12,415,110.30
  4. Step 4: Simplify right side
    42,707,247.30x = 795,458,402,788,895.25
  5. Step 5: Solve for x
    x = 795,458,402,788,895.25/42,707,247.30
  6. Step 6: Final answer
    x = 18,625,841.12

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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.