Home / 14,370,721.80-21,556,082.70-13,331,459.40

Finding the Fourth Proportional to 14,370,721.80, 21,556,082.70 and 13,331,459.40

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Solution

The fourth proportional to 14,370,721.80, 21,556,082.70 and 13,331,459.40 is: 19,997,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370,721.80 : 21,556,082.70 = 13,331,459.40 : x
  2. Step 2: Convert to fraction form
    14,370,721.80/21,556,082.70 = 13,331,459.40/x
  3. Step 3: Cross multiply
    14,370,721.80x = 21,556,082.70 × 13,331,459.40
  4. Step 4: Simplify right side
    14,370,721.80x = 287,374,041,338,092.38
  5. Step 5: Solve for x
    x = 287,374,041,338,092.38/14,370,721.80
  6. Step 6: Final answer
    x = 19,997,189.10

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1.5x scale

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.