Home / 28,232,023.60-42,348,035.40-21,057,570.10

Finding the Fourth Proportional to 28,232,023.60, 42,348,035.40 and 21,057,570.10

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Solution

The fourth proportional to 28,232,023.60, 42,348,035.40 and 21,057,570.10 is: 31,586,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232,023.60 : 42,348,035.40 = 21,057,570.10 : x
  2. Step 2: Convert to fraction form
    28,232,023.60/42,348,035.40 = 21,057,570.10/x
  3. Step 3: Cross multiply
    28,232,023.60x = 42,348,035.40 × 21,057,570.10
  4. Step 4: Simplify right side
    28,232,023.60x = 891,746,724,032,781.62
  5. Step 5: Solve for x
    x = 891,746,724,032,781.62/28,232,023.60
  6. Step 6: Final answer
    x = 31,586,355.15

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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.