Home / 12,445,363.65-18,668,045.48-11,689,536.45

Finding the Fourth Proportional to 12,445,363.65, 18,668,045.48 and 11,689,536.45

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Solution

The fourth proportional to 12,445,363.65, 18,668,045.48 and 11,689,536.45 is: 17,534,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,363.65 : 18,668,045.48 = 11,689,536.45 : x
  2. Step 2: Convert to fraction form
    12,445,363.65/18,668,045.48 = 11,689,536.45/x
  3. Step 3: Cross multiply
    12,445,363.65x = 18,668,045.48 × 11,689,536.45
  4. Step 4: Simplify right side
    12,445,363.65x = 218,220,798,030,270.06
  5. Step 5: Solve for x
    x = 218,220,798,030,270.06/12,445,363.65
  6. Step 6: Final answer
    x = 17,534,304.68

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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.