Home / 13,748,528.12-18,973,285.38-7,553,961.18

Finding the Fourth Proportional to 13,748,528.12, 18,973,285.38 and 7,553,961.18

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Solution

The fourth proportional to 13,748,528.12, 18,973,285.38 and 7,553,961.18 is: 10,424,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748,528.12 : 18,973,285.38 = 7,553,961.18 : x
  2. Step 2: Convert to fraction form
    13,748,528.12/18,973,285.38 = 7,553,961.18/x
  3. Step 3: Cross multiply
    13,748,528.12x = 18,973,285.38 × 7,553,961.18
  4. Step 4: Simplify right side
    13,748,528.12x = 143,323,461,217,581.53
  5. Step 5: Solve for x
    x = 143,323,461,217,581.53/13,748,528.12
  6. Step 6: Final answer
    x = 10,424,640.37

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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.