Home / 6,897,866.30-9,518,600.06-4,142,916.74

Finding the Fourth Proportional to 6,897,866.30, 9,518,600.06 and 4,142,916.74

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Solution

The fourth proportional to 6,897,866.30, 9,518,600.06 and 4,142,916.74 is: 5,716,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,866.30 : 9,518,600.06 = 4,142,916.74 : x
  2. Step 2: Convert to fraction form
    6,897,866.30/9,518,600.06 = 4,142,916.74/x
  3. Step 3: Cross multiply
    6,897,866.30x = 9,518,600.06 × 4,142,916.74
  4. Step 4: Simplify right side
    6,897,866.30x = 39,434,767,529,939.01
  5. Step 5: Solve for x
    x = 39,434,767,529,939.01/6,897,866.30
  6. Step 6: Final answer
    x = 5,716,951.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.