Home / 10,973,931.26-15,109,474.46-9,316,800.72

Finding the Fourth Proportional to 10,973,931.26, 15,109,474.46 and 9,316,800.72

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Solution

The fourth proportional to 10,973,931.26, 15,109,474.46 and 9,316,800.72 is: 12,827,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973,931.26 : 15,109,474.46 = 9,316,800.72 : x
  2. Step 2: Convert to fraction form
    10,973,931.26/15,109,474.46 = 9,316,800.72/x
  3. Step 3: Cross multiply
    10,973,931.26x = 15,109,474.46 × 9,316,800.72
  4. Step 4: Simplify right side
    10,973,931.26x = 140,771,962,481,165.62
  5. Step 5: Solve for x
    x = 140,771,962,481,165.62/10,973,931.26
  6. Step 6: Final answer
    x = 12,827,851.68

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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.