Home / 13,434,166.31-18,524,498.72-9,075,684.89

Finding the Fourth Proportional to 13,434,166.31, 18,524,498.72 and 9,075,684.89

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Solution

The fourth proportional to 13,434,166.31, 18,524,498.72 and 9,075,684.89 is: 12,514,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,166.31 : 18,524,498.72 = 9,075,684.89 : x
  2. Step 2: Convert to fraction form
    13,434,166.31/18,524,498.72 = 9,075,684.89/x
  3. Step 3: Cross multiply
    13,434,166.31x = 18,524,498.72 × 9,075,684.89
  4. Step 4: Simplify right side
    13,434,166.31x = 168,122,513,128,861.16
  5. Step 5: Solve for x
    x = 168,122,513,128,861.16/13,434,166.31
  6. Step 6: Final answer
    x = 12,514,547.56

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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.