Home / 26,920,123.80-40,380,185.70-9,878,582.40

Finding the Fourth Proportional to 26,920,123.80, 40,380,185.70 and 9,878,582.40

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Solution

The fourth proportional to 26,920,123.80, 40,380,185.70 and 9,878,582.40 is: 14,817,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920,123.80 : 40,380,185.70 = 9,878,582.40 : x
  2. Step 2: Convert to fraction form
    26,920,123.80/40,380,185.70 = 9,878,582.40/x
  3. Step 3: Cross multiply
    26,920,123.80x = 40,380,185.70 × 9,878,582.40
  4. Step 4: Simplify right side
    26,920,123.80x = 398,898,991,764,751.75
  5. Step 5: Solve for x
    x = 398,898,991,764,751.75/26,920,123.80
  6. Step 6: Final answer
    x = 14,817,873.60

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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.