Home / 38,121,074.73-52,607,411.94-20,717,423.55

Finding the Fourth Proportional to 38,121,074.73, 52,607,411.94 and 20,717,423.55

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Solution

The fourth proportional to 38,121,074.73, 52,607,411.94 and 20,717,423.55 is: 28,590,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,121,074.73 : 52,607,411.94 = 20,717,423.55 : x
  2. Step 2: Convert to fraction form
    38,121,074.73/52,607,411.94 = 20,717,423.55/x
  3. Step 3: Cross multiply
    38,121,074.73x = 52,607,411.94 × 20,717,423.55
  4. Step 4: Simplify right side
    38,121,074.73x = 1,089,890,035,030,307.12
  5. Step 5: Solve for x
    x = 1,089,890,035,030,307.12/38,121,074.73
  6. Step 6: Final answer
    x = 28,590,223.20

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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.