Home / 7,890,648-10,888,473.76-4,834,446.72

Finding the Fourth Proportional to 7,890,648, 10,888,473.76 and 4,834,446.72

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Solution

The fourth proportional to 7,890,648, 10,888,473.76 and 4,834,446.72 is: 6,671,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,648 : 10,888,473.76 = 4,834,446.72 : x
  2. Step 2: Convert to fraction form
    7,890,648/10,888,473.76 = 4,834,446.72/x
  3. Step 3: Cross multiply
    7,890,648x = 10,888,473.76 × 4,834,446.72
  4. Step 4: Simplify right side
    7,890,648x = 52,639,746,254,838.06
  5. Step 5: Solve for x
    x = 52,639,746,254,838.06/7,890,648
  6. Step 6: Final answer
    x = 6,671,156.32

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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.