Home / 18,428,070.60-25,430,563.86-10,168,207.56

Finding the Fourth Proportional to 18,428,070.60, 25,430,563.86 and 10,168,207.56

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Solution

The fourth proportional to 18,428,070.60, 25,430,563.86 and 10,168,207.56 is: 14,032,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,070.60 : 25,430,563.86 = 10,168,207.56 : x
  2. Step 2: Convert to fraction form
    18,428,070.60/25,430,563.86 = 10,168,207.56/x
  3. Step 3: Cross multiply
    18,428,070.60x = 25,430,563.86 × 10,168,207.56
  4. Step 4: Simplify right side
    18,428,070.60x = 258,583,251,696,314.78
  5. Step 5: Solve for x
    x = 258,583,251,696,314.78/18,428,070.60
  6. Step 6: Final answer
    x = 14,032,030.66

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1.5x scale

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.