Home / 10,500,340.80-15,719,018.40-6,238,315.20

Finding the Fourth Proportional to 10,500,340.80, 15,719,018.40 and 6,238,315.20

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Solution

The fourth proportional to 10,500,340.80, 15,719,018.40 and 6,238,315.20 is: 9,338,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,340.80 : 15,719,018.40 = 6,238,315.20 : x
  2. Step 2: Convert to fraction form
    10,500,340.80/15,719,018.40 = 6,238,315.20/x
  3. Step 3: Cross multiply
    10,500,340.80x = 15,719,018.40 × 6,238,315.20
  4. Step 4: Simplify right side
    10,500,340.80x = 98,060,191,413,799.69
  5. Step 5: Solve for x
    x = 98,060,191,413,799.69/10,500,340.80
  6. Step 6: Final answer
    x = 9,338,762.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.