Home / 10,878,392.80-15,012,465.20-5,983,741

Finding the Fourth Proportional to 10,878,392.80, 15,012,465.20 and 5,983,741

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Solution

The fourth proportional to 10,878,392.80, 15,012,465.20 and 5,983,741 is: 8,257,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,392.80 : 15,012,465.20 = 5,983,741 : x
  2. Step 2: Convert to fraction form
    10,878,392.80/15,012,465.20 = 5,983,741/x
  3. Step 3: Cross multiply
    10,878,392.80x = 15,012,465.20 × 5,983,741
  4. Step 4: Simplify right side
    10,878,392.80x = 89,830,703,528,313.20
  5. Step 5: Solve for x
    x = 89,830,703,528,313.20/10,878,392.80
  6. Step 6: Final answer
    x = 8,257,718.32

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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.