Home / 38,839,681.80-58,210,806.90-20,598,855.24

Finding the Fourth Proportional to 38,839,681.80, 58,210,806.90 and 20,598,855.24

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Solution

The fourth proportional to 38,839,681.80, 58,210,806.90 and 20,598,855.24 is: 30,872,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839,681.80 : 58,210,806.90 = 20,598,855.24 : x
  2. Step 2: Convert to fraction form
    38,839,681.80/58,210,806.90 = 20,598,855.24/x
  3. Step 3: Cross multiply
    38,839,681.80x = 58,210,806.90 × 20,598,855.24
  4. Step 4: Simplify right side
    38,839,681.80x = 1,199,075,984,736,693
  5. Step 5: Solve for x
    x = 1,199,075,984,736,693/38,839,681.80
  6. Step 6: Final answer
    x = 30,872,446.15

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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.