Home / 8,609,113.61-11,880,333.65-4,688,780.84

Finding the Fourth Proportional to 8,609,113.61, 11,880,333.65 and 4,688,780.84

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Solution

The fourth proportional to 8,609,113.61, 11,880,333.65 and 4,688,780.84 is: 6,470,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,113.61 : 11,880,333.65 = 4,688,780.84 : x
  2. Step 2: Convert to fraction form
    8,609,113.61/11,880,333.65 = 4,688,780.84/x
  3. Step 3: Cross multiply
    8,609,113.61x = 11,880,333.65 × 4,688,780.84
  4. Step 4: Simplify right side
    8,609,113.61x = 55,704,280,790,927.27
  5. Step 5: Solve for x
    x = 55,704,280,790,927.27/8,609,113.61
  6. Step 6: Final answer
    x = 6,470,385.14

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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.