Home / 7,881,407.40-11,822,111.10-4,692,761.40

Finding the Fourth Proportional to 7,881,407.40, 11,822,111.10 and 4,692,761.40

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Solution

The fourth proportional to 7,881,407.40, 11,822,111.10 and 4,692,761.40 is: 7,039,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,407.40 : 11,822,111.10 = 4,692,761.40 : x
  2. Step 2: Convert to fraction form
    7,881,407.40/11,822,111.10 = 4,692,761.40/x
  3. Step 3: Cross multiply
    7,881,407.40x = 11,822,111.10 × 4,692,761.40
  4. Step 4: Simplify right side
    7,881,407.40x = 55,478,346,636,591.54
  5. Step 5: Solve for x
    x = 55,478,346,636,591.54/7,881,407.40
  6. Step 6: Final answer
    x = 7,039,142.10

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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.