Home / 28,295,298.45-42,442,894.69-8,866,011.85

Finding the Fourth Proportional to 28,295,298.45, 42,442,894.69 and 8,866,011.85

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Solution

The fourth proportional to 28,295,298.45, 42,442,894.69 and 8,866,011.85 is: 13,299,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295,298.45 : 42,442,894.69 = 8,866,011.85 : x
  2. Step 2: Convert to fraction form
    28,295,298.45/42,442,894.69 = 8,866,011.85/x
  3. Step 3: Cross multiply
    28,295,298.45x = 42,442,894.69 × 8,866,011.85
  4. Step 4: Simplify right side
    28,295,298.45x = 376,299,207,163,734.81
  5. Step 5: Solve for x
    x = 376,299,207,163,734.81/28,295,298.45
  6. Step 6: Final answer
    x = 13,299,001.17

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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.