Home / 10,778,732.80-16,144,479.60-9,582,006.40

Finding the Fourth Proportional to 10,778,732.80, 16,144,479.60 and 9,582,006.40

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Solution

The fourth proportional to 10,778,732.80, 16,144,479.60 and 9,582,006.40 is: 14,352,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,732.80 : 16,144,479.60 = 9,582,006.40 : x
  2. Step 2: Convert to fraction form
    10,778,732.80/16,144,479.60 = 9,582,006.40/x
  3. Step 3: Cross multiply
    10,778,732.80x = 16,144,479.60 × 9,582,006.40
  4. Step 4: Simplify right side
    10,778,732.80x = 154,696,506,851,869.44
  5. Step 5: Solve for x
    x = 154,696,506,851,869.44/10,778,732.80
  6. Step 6: Final answer
    x = 14,352,012.40

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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.