Home / 28,084,582.80-42,126,874.20-13,700,246.40

Finding the Fourth Proportional to 28,084,582.80, 42,126,874.20 and 13,700,246.40

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Solution

The fourth proportional to 28,084,582.80, 42,126,874.20 and 13,700,246.40 is: 20,550,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,582.80 : 42,126,874.20 = 13,700,246.40 : x
  2. Step 2: Convert to fraction form
    28,084,582.80/42,126,874.20 = 13,700,246.40/x
  3. Step 3: Cross multiply
    28,084,582.80x = 42,126,874.20 × 13,700,246.40
  4. Step 4: Simplify right side
    28,084,582.80x = 577,148,556,601,802.88
  5. Step 5: Solve for x
    x = 577,148,556,601,802.88/28,084,582.80
  6. Step 6: Final answer
    x = 20,550,369.60

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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.