Home / 7,724,788.63-10,660,139.28-4,240,024.20

Finding the Fourth Proportional to 7,724,788.63, 10,660,139.28 and 4,240,024.20

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Solution

The fourth proportional to 7,724,788.63, 10,660,139.28 and 4,240,024.20 is: 5,851,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724,788.63 : 10,660,139.28 = 4,240,024.20 : x
  2. Step 2: Convert to fraction form
    7,724,788.63/10,660,139.28 = 4,240,024.20/x
  3. Step 3: Cross multiply
    7,724,788.63x = 10,660,139.28 × 4,240,024.20
  4. Step 4: Simplify right side
    7,724,788.63x = 45,199,248,522,570.58
  5. Step 5: Solve for x
    x = 45,199,248,522,570.58/7,724,788.63
  6. Step 6: Final answer
    x = 5,851,195.51

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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.