Home / 12,103,904.30-18,176,851.65-6,435,200.30

Finding the Fourth Proportional to 12,103,904.30, 18,176,851.65 and 6,435,200.30

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Solution

The fourth proportional to 12,103,904.30, 18,176,851.65 and 6,435,200.30 is: 9,663,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,904.30 : 18,176,851.65 = 6,435,200.30 : x
  2. Step 2: Convert to fraction form
    12,103,904.30/18,176,851.65 = 6,435,200.30/x
  3. Step 3: Cross multiply
    12,103,904.30x = 18,176,851.65 × 6,435,200.30
  4. Step 4: Simplify right side
    12,103,904.30x = 116,971,681,191,135.48
  5. Step 5: Solve for x
    x = 116,971,681,191,135.48/12,103,904.30
  6. Step 6: Final answer
    x = 9,663,962.82

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1.5x scale

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.