Home / 30,338,220.61-45,502,348.65-13,061,770.28

Finding the Fourth Proportional to 30,338,220.61, 45,502,348.65 and 13,061,770.28

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Solution

The fourth proportional to 30,338,220.61, 45,502,348.65 and 13,061,770.28 is: 19,590,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338,220.61 : 45,502,348.65 = 13,061,770.28 : x
  2. Step 2: Convert to fraction form
    30,338,220.61/45,502,348.65 = 13,061,770.28/x
  3. Step 3: Cross multiply
    30,338,220.61x = 45,502,348.65 × 13,061,770.28
  4. Step 4: Simplify right side
    30,338,220.61x = 594,341,225,416,859.38
  5. Step 5: Solve for x
    x = 594,341,225,416,859.38/30,338,220.61
  6. Step 6: Final answer
    x = 19,590,510.37

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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.