Home / 6,989,281.61-9,645,116.66-3,849,484.98

Finding the Fourth Proportional to 6,989,281.61, 9,645,116.66 and 3,849,484.98

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Solution

The fourth proportional to 6,989,281.61, 9,645,116.66 and 3,849,484.98 is: 5,312,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,281.61 : 9,645,116.66 = 3,849,484.98 : x
  2. Step 2: Convert to fraction form
    6,989,281.61/9,645,116.66 = 3,849,484.98/x
  3. Step 3: Cross multiply
    6,989,281.61x = 9,645,116.66 × 3,849,484.98
  4. Step 4: Simplify right side
    6,989,281.61x = 37,128,731,744,375.09
  5. Step 5: Solve for x
    x = 37,128,731,744,375.09/6,989,281.61
  6. Step 6: Final answer
    x = 5,312,238.63

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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.