Home / 7,547,848.68-11,311,298.43-3,439,128.61

Finding the Fourth Proportional to 7,547,848.68, 11,311,298.43 and 3,439,128.61

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Solution

The fourth proportional to 7,547,848.68, 11,311,298.43 and 3,439,128.61 is: 5,153,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547,848.68 : 11,311,298.43 = 3,439,128.61 : x
  2. Step 2: Convert to fraction form
    7,547,848.68/11,311,298.43 = 3,439,128.61/x
  3. Step 3: Cross multiply
    7,547,848.68x = 11,311,298.43 × 3,439,128.61
  4. Step 4: Simplify right side
    7,547,848.68x = 38,901,010,048,103.47
  5. Step 5: Solve for x
    x = 38,901,010,048,103.47/7,547,848.68
  6. Step 6: Final answer
    x = 5,153,920.23

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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.