Home / 28,697,267.84-39,602,536-15,820,672.64

Finding the Fourth Proportional to 28,697,267.84, 39,602,536 and 15,820,672.64

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Solution

The fourth proportional to 28,697,267.84, 39,602,536 and 15,820,672.64 is: 21,832,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,697,267.84 : 39,602,536 = 15,820,672.64 : x
  2. Step 2: Convert to fraction form
    28,697,267.84/39,602,536 = 15,820,672.64/x
  3. Step 3: Cross multiply
    28,697,267.84x = 39,602,536 × 15,820,672.64
  4. Step 4: Simplify right side
    28,697,267.84x = 626,538,757,769,815.12
  5. Step 5: Solve for x
    x = 626,538,757,769,815.12/28,697,267.84
  6. Step 6: Final answer
    x = 21,832,697.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.