Home / 28,611,762.10-42,917,643.15-19,541,835.70

Finding the Fourth Proportional to 28,611,762.10, 42,917,643.15 and 19,541,835.70

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Solution

The fourth proportional to 28,611,762.10, 42,917,643.15 and 19,541,835.70 is: 29,312,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611,762.10 : 42,917,643.15 = 19,541,835.70 : x
  2. Step 2: Convert to fraction form
    28,611,762.10/42,917,643.15 = 19,541,835.70/x
  3. Step 3: Cross multiply
    28,611,762.10x = 42,917,643.15 × 19,541,835.70
  4. Step 4: Simplify right side
    28,611,762.10x = 838,689,531,068,530.38
  5. Step 5: Solve for x
    x = 838,689,531,068,530.38/28,611,762.10
  6. Step 6: Final answer
    x = 29,312,753.55

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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.