Home / 21,845,472.80-32,776,082.40-9,075,142.40

Finding the Fourth Proportional to 21,845,472.80, 32,776,082.40 and 9,075,142.40

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Solution

The fourth proportional to 21,845,472.80, 32,776,082.40 and 9,075,142.40 is: 13,615,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,472.80 : 32,776,082.40 = 9,075,142.40 : x
  2. Step 2: Convert to fraction form
    21,845,472.80/32,776,082.40 = 9,075,142.40/x
  3. Step 3: Cross multiply
    21,845,472.80x = 32,776,082.40 × 9,075,142.40
  4. Step 4: Simplify right side
    21,845,472.80x = 297,447,615,094,133.75
  5. Step 5: Solve for x
    x = 297,447,615,094,133.75/21,845,472.80
  6. Step 6: Final answer
    x = 13,615,984.32

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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.