Home / 6,457,156.20-8,910,875.25-3,556,547.16

Finding the Fourth Proportional to 6,457,156.20, 8,910,875.25 and 3,556,547.16

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Solution

The fourth proportional to 6,457,156.20, 8,910,875.25 and 3,556,547.16 is: 4,908,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,156.20 : 8,910,875.25 = 3,556,547.16 : x
  2. Step 2: Convert to fraction form
    6,457,156.20/8,910,875.25 = 3,556,547.16/x
  3. Step 3: Cross multiply
    6,457,156.20x = 8,910,875.25 × 3,556,547.16
  4. Step 4: Simplify right side
    6,457,156.20x = 31,691,948,063,501.79
  5. Step 5: Solve for x
    x = 31,691,948,063,501.79/6,457,156.20
  6. Step 6: Final answer
    x = 4,908,034.91

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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.