Home / 45,318,411.84-67,911,677.28-28,009,657.92

Finding the Fourth Proportional to 45,318,411.84, 67,911,677.28 and 28,009,657.92

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Solution

The fourth proportional to 45,318,411.84, 67,911,677.28 and 28,009,657.92 is: 41,973,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318,411.84 : 67,911,677.28 = 28,009,657.92 : x
  2. Step 2: Convert to fraction form
    45,318,411.84/67,911,677.28 = 28,009,657.92/x
  3. Step 3: Cross multiply
    45,318,411.84x = 67,911,677.28 × 28,009,657.92
  4. Step 4: Simplify right side
    45,318,411.84x = 1,902,182,849,386,236.25
  5. Step 5: Solve for x
    x = 1,902,182,849,386,236.25/45,318,411.84
  6. Step 6: Final answer
    x = 41,973,731.47

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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.