Home / 6,547,387.32-9,035,848.80-3,969,176.76

Finding the Fourth Proportional to 6,547,387.32, 9,035,848.80 and 3,969,176.76

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Solution

The fourth proportional to 6,547,387.32, 9,035,848.80 and 3,969,176.76 is: 5,477,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547,387.32 : 9,035,848.80 = 3,969,176.76 : x
  2. Step 2: Convert to fraction form
    6,547,387.32/9,035,848.80 = 3,969,176.76/x
  3. Step 3: Cross multiply
    6,547,387.32x = 9,035,848.80 × 3,969,176.76
  4. Step 4: Simplify right side
    6,547,387.32x = 35,864,881,063,833.89
  5. Step 5: Solve for x
    x = 35,864,881,063,833.89/6,547,387.32
  6. Step 6: Final answer
    x = 5,477,739.33

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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.