Home / 7,876,646.90-10,869,732.10-4,569,609.89

Finding the Fourth Proportional to 7,876,646.90, 10,869,732.10 and 4,569,609.89

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Solution

The fourth proportional to 7,876,646.90, 10,869,732.10 and 4,569,609.89 is: 6,306,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,646.90 : 10,869,732.10 = 4,569,609.89 : x
  2. Step 2: Convert to fraction form
    7,876,646.90/10,869,732.10 = 4,569,609.89/x
  3. Step 3: Cross multiply
    7,876,646.90x = 10,869,732.10 × 4,569,609.89
  4. Step 4: Simplify right side
    7,876,646.90x = 49,670,435,305,810.46
  5. Step 5: Solve for x
    x = 49,670,435,305,810.46/7,876,646.90
  6. Step 6: Final answer
    x = 6,306,038.08

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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.