Home / 18,764,405.40-25,894,681.65-10,504,535.60

Finding the Fourth Proportional to 18,764,405.40, 25,894,681.65 and 10,504,535.60

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Solution

The fourth proportional to 18,764,405.40, 25,894,681.65 and 10,504,535.60 is: 14,496,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764,405.40 : 25,894,681.65 = 10,504,535.60 : x
  2. Step 2: Convert to fraction form
    18,764,405.40/25,894,681.65 = 10,504,535.60/x
  3. Step 3: Cross multiply
    18,764,405.40x = 25,894,681.65 × 10,504,535.60
  4. Step 4: Simplify right side
    18,764,405.40x = 272,011,605,264,525.47
  5. Step 5: Solve for x
    x = 272,011,605,264,525.47/18,764,405.40
  6. Step 6: Final answer
    x = 14,496,148.40

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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.