Home / 5,315,814.10-7,973,721.15-5,315,814.10

Finding the Fourth Proportional to 5,315,814.10, 7,973,721.15 and 5,315,814.10

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Solution

The fourth proportional to 5,315,814.10, 7,973,721.15 and 5,315,814.10 is: 7,973,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,814.10 : 7,973,721.15 = 5,315,814.10 : x
  2. Step 2: Convert to fraction form
    5,315,814.10/7,973,721.15 = 5,315,814.10/x
  3. Step 3: Cross multiply
    5,315,814.10x = 7,973,721.15 × 5,315,814.10
  4. Step 4: Simplify right side
    5,315,814.10x = 42,386,819,318,638.21
  5. Step 5: Solve for x
    x = 42,386,819,318,638.21/5,315,814.10
  6. Step 6: Final answer
    x = 7,973,721.15

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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.