Home / 28,297,066.90-42,445,600.35-10,109,974.90

Finding the Fourth Proportional to 28,297,066.90, 42,445,600.35 and 10,109,974.90

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Solution

The fourth proportional to 28,297,066.90, 42,445,600.35 and 10,109,974.90 is: 15,164,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297,066.90 : 42,445,600.35 = 10,109,974.90 : x
  2. Step 2: Convert to fraction form
    28,297,066.90/42,445,600.35 = 10,109,974.90/x
  3. Step 3: Cross multiply
    28,297,066.90x = 42,445,600.35 × 10,109,974.90
  4. Step 4: Simplify right side
    28,297,066.90x = 429,123,954,153,931.25
  5. Step 5: Solve for x
    x = 429,123,954,153,931.25/28,297,066.90
  6. Step 6: Final answer
    x = 15,164,962.35

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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.