Home / 15,719,944.16-21,693,369.60-8,750,511.20

Finding the Fourth Proportional to 15,719,944.16, 21,693,369.60 and 8,750,511.20

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Solution

The fourth proportional to 15,719,944.16, 21,693,369.60 and 8,750,511.20 is: 12,075,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,944.16 : 21,693,369.60 = 8,750,511.20 : x
  2. Step 2: Convert to fraction form
    15,719,944.16/21,693,369.60 = 8,750,511.20/x
  3. Step 3: Cross multiply
    15,719,944.16x = 21,693,369.60 × 8,750,511.20
  4. Step 4: Simplify right side
    15,719,944.16x = 189,828,073,650,539.53
  5. Step 5: Solve for x
    x = 189,828,073,650,539.53/15,719,944.16
  6. Step 6: Final answer
    x = 12,075,620.10

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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.