Home / 12,875,288.72-19,312,151.09-4,566,503.93

Finding the Fourth Proportional to 12,875,288.72, 19,312,151.09 and 4,566,503.93

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Solution

The fourth proportional to 12,875,288.72, 19,312,151.09 and 4,566,503.93 is: 6,849,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,288.72 : 19,312,151.09 = 4,566,503.93 : x
  2. Step 2: Convert to fraction form
    12,875,288.72/19,312,151.09 = 4,566,503.93/x
  3. Step 3: Cross multiply
    12,875,288.72x = 19,312,151.09 × 4,566,503.93
  4. Step 4: Simplify right side
    12,875,288.72x = 88,189,013,729,845.52
  5. Step 5: Solve for x
    x = 88,189,013,729,845.52/12,875,288.72
  6. Step 6: Final answer
    x = 6,849,478.54

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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.