Home / 18,888,730.20-28,333,095.30-14,778,919.80

Finding the Fourth Proportional to 18,888,730.20, 28,333,095.30 and 14,778,919.80

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Solution

The fourth proportional to 18,888,730.20, 28,333,095.30 and 14,778,919.80 is: 22,168,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,730.20 : 28,333,095.30 = 14,778,919.80 : x
  2. Step 2: Convert to fraction form
    18,888,730.20/28,333,095.30 = 14,778,919.80/x
  3. Step 3: Cross multiply
    18,888,730.20x = 28,333,095.30 × 14,778,919.80
  4. Step 4: Simplify right side
    18,888,730.20x = 418,732,543,124,457
  5. Step 5: Solve for x
    x = 418,732,543,124,457/18,888,730.20
  6. Step 6: Final answer
    x = 22,168,379.70

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1.5x scale

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.