Home / 7,657,723.80-11,486,585.70-3,878,587.80

Finding the Fourth Proportional to 7,657,723.80, 11,486,585.70 and 3,878,587.80

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Solution

The fourth proportional to 7,657,723.80, 11,486,585.70 and 3,878,587.80 is: 5,817,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657,723.80 : 11,486,585.70 = 3,878,587.80 : x
  2. Step 2: Convert to fraction form
    7,657,723.80/11,486,585.70 = 3,878,587.80/x
  3. Step 3: Cross multiply
    7,657,723.80x = 11,486,585.70 × 3,878,587.80
  4. Step 4: Simplify right side
    7,657,723.80x = 44,551,731,159,674.45
  5. Step 5: Solve for x
    x = 44,551,731,159,674.45/7,657,723.80
  6. Step 6: Final answer
    x = 5,817,881.70

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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.