Home / 15,719,903.42-21,693,313.60-8,750,470.46

Finding the Fourth Proportional to 15,719,903.42, 21,693,313.60 and 8,750,470.46

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Solution

The fourth proportional to 15,719,903.42, 21,693,313.60 and 8,750,470.46 is: 12,075,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,903.42 : 21,693,313.60 = 8,750,470.46 : x
  2. Step 2: Convert to fraction form
    15,719,903.42/21,693,313.60 = 8,750,470.46/x
  3. Step 3: Cross multiply
    15,719,903.42x = 21,693,313.60 × 8,750,470.46
  4. Step 4: Simplify right side
    15,719,903.42x = 189,826,699,836,316.28
  5. Step 5: Solve for x
    x = 189,826,699,836,316.28/15,719,903.42
  6. Step 6: Final answer
    x = 12,075,564.00

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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.