Home / 7,402,620.13-10,215,649.09-4,139,436.04

Finding the Fourth Proportional to 7,402,620.13, 10,215,649.09 and 4,139,436.04

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Solution

The fourth proportional to 7,402,620.13, 10,215,649.09 and 4,139,436.04 is: 5,712,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402,620.13 : 10,215,649.09 = 4,139,436.04 : x
  2. Step 2: Convert to fraction form
    7,402,620.13/10,215,649.09 = 4,139,436.04/x
  3. Step 3: Cross multiply
    7,402,620.13x = 10,215,649.09 × 4,139,436.04
  4. Step 4: Simplify right side
    7,402,620.13x = 42,287,025,994,774.38
  5. Step 5: Solve for x
    x = 42,287,025,994,774.38/7,402,620.13
  6. Step 6: Final answer
    x = 5,712,440.36

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1.5x scale

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.