Home / 38,079,350.04-52,550,416.32-20,676,428.76

Finding the Fourth Proportional to 38,079,350.04, 52,550,416.32 and 20,676,428.76

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Solution

The fourth proportional to 38,079,350.04, 52,550,416.32 and 20,676,428.76 is: 28,533,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079,350.04 : 52,550,416.32 = 20,676,428.76 : x
  2. Step 2: Convert to fraction form
    38,079,350.04/52,550,416.32 = 20,676,428.76/x
  3. Step 3: Cross multiply
    38,079,350.04x = 52,550,416.32 × 20,676,428.76
  4. Step 4: Simplify right side
    38,079,350.04x = 1,086,554,939,348,821.50
  5. Step 5: Solve for x
    x = 1,086,554,939,348,821.50/38,079,350.04
  6. Step 6: Final answer
    x = 28,533,967.58

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1.5x scale

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.