Home / 28,083,041.70-42,124,562.55-12,966,497.70

Finding the Fourth Proportional to 28,083,041.70, 42,124,562.55 and 12,966,497.70

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Solution

The fourth proportional to 28,083,041.70, 42,124,562.55 and 12,966,497.70 is: 19,449,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,041.70 : 42,124,562.55 = 12,966,497.70 : x
  2. Step 2: Convert to fraction form
    28,083,041.70/42,124,562.55 = 12,966,497.70/x
  3. Step 3: Cross multiply
    28,083,041.70x = 42,124,562.55 × 12,966,497.70
  4. Step 4: Simplify right side
    28,083,041.70x = 546,208,043,418,081.06
  5. Step 5: Solve for x
    x = 546,208,043,418,081.06/28,083,041.70
  6. Step 6: Final answer
    x = 19,449,746.55

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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.