Home / 28,877,413-39,850,858.04-15,824,700.96

Finding the Fourth Proportional to 28,877,413, 39,850,858.04 and 15,824,700.96

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Solution

The fourth proportional to 28,877,413, 39,850,858.04 and 15,824,700.96 is: 21,838,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,413 : 39,850,858.04 = 15,824,700.96 : x
  2. Step 2: Convert to fraction form
    28,877,413/39,850,858.04 = 15,824,700.96/x
  3. Step 3: Cross multiply
    28,877,413x = 39,850,858.04 × 15,824,700.96
  4. Step 4: Simplify right side
    28,877,413x = 630,627,911,482,411.75
  5. Step 5: Solve for x
    x = 630,627,911,482,411.75/28,877,413
  6. Step 6: Final answer
    x = 21,838,102.72

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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.