Home / 13,191,720.40-19,787,580.60-10,924,238.80

Finding the Fourth Proportional to 13,191,720.40, 19,787,580.60 and 10,924,238.80

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Solution

The fourth proportional to 13,191,720.40, 19,787,580.60 and 10,924,238.80 is: 16,386,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,720.40 : 19,787,580.60 = 10,924,238.80 : x
  2. Step 2: Convert to fraction form
    13,191,720.40/19,787,580.60 = 10,924,238.80/x
  3. Step 3: Cross multiply
    13,191,720.40x = 19,787,580.60 × 10,924,238.80
  4. Step 4: Simplify right side
    13,191,720.40x = 216,164,255,748,647.31
  5. Step 5: Solve for x
    x = 216,164,255,748,647.31/13,191,720.40
  6. Step 6: Final answer
    x = 16,386,358.20

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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.