Home / 19,872,077.80-29,808,116.70-9,794,381.80

Finding the Fourth Proportional to 19,872,077.80, 29,808,116.70 and 9,794,381.80

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Solution

The fourth proportional to 19,872,077.80, 29,808,116.70 and 9,794,381.80 is: 14,691,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,077.80 : 29,808,116.70 = 9,794,381.80 : x
  2. Step 2: Convert to fraction form
    19,872,077.80/29,808,116.70 = 9,794,381.80/x
  3. Step 3: Cross multiply
    19,872,077.80x = 29,808,116.70 × 9,794,381.80
  4. Step 4: Simplify right side
    19,872,077.80x = 291,952,075,698,756.06
  5. Step 5: Solve for x
    x = 291,952,075,698,756.06/19,872,077.80
  6. Step 6: Final answer
    x = 14,691,572.70

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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.