Home / 7,406,340.90-10,220,339.34-4,142,525.15

Finding the Fourth Proportional to 7,406,340.90, 10,220,339.34 and 4,142,525.15

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Solution

The fourth proportional to 7,406,340.90, 10,220,339.34 and 4,142,525.15 is: 5,716,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406,340.90 : 10,220,339.34 = 4,142,525.15 : x
  2. Step 2: Convert to fraction form
    7,406,340.90/10,220,339.34 = 4,142,525.15/x
  3. Step 3: Cross multiply
    7,406,340.90x = 10,220,339.34 × 4,142,525.15
  4. Step 4: Simplify right side
    7,406,340.90x = 42,338,012,706,382.70
  5. Step 5: Solve for x
    x = 42,338,012,706,382.70/7,406,340.90
  6. Step 6: Final answer
    x = 5,716,454.76

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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.