Home / 21,743,360.42-30,003,399.34-13,041,886.82

Finding the Fourth Proportional to 21,743,360.42, 30,003,399.34 and 13,041,886.82

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Solution

The fourth proportional to 21,743,360.42, 30,003,399.34 and 13,041,886.82 is: 17,996,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,360.42 : 30,003,399.34 = 13,041,886.82 : x
  2. Step 2: Convert to fraction form
    21,743,360.42/30,003,399.34 = 13,041,886.82/x
  3. Step 3: Cross multiply
    21,743,360.42x = 30,003,399.34 × 13,041,886.82
  4. Step 4: Simplify right side
    21,743,360.42x = 391,300,938,224,920.94
  5. Step 5: Solve for x
    x = 391,300,938,224,920.94/21,743,360.42
  6. Step 6: Final answer
    x = 17,996,341.45

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1.5x scale

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.