Home / 14,333,721.70-21,506,803.35-7,242,009.70

Finding the Fourth Proportional to 14,333,721.70, 21,506,803.35 and 7,242,009.70

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Solution

The fourth proportional to 14,333,721.70, 21,506,803.35 and 7,242,009.70 is: 10,866,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,333,721.70 : 21,506,803.35 = 7,242,009.70 : x
  2. Step 2: Convert to fraction form
    14,333,721.70/21,506,803.35 = 7,242,009.70/x
  3. Step 3: Cross multiply
    14,333,721.70x = 21,506,803.35 × 7,242,009.70
  4. Step 4: Simplify right side
    14,333,721.70x = 155,752,478,476,692.50
  5. Step 5: Solve for x
    x = 155,752,478,476,692.50/14,333,721.70
  6. Step 6: Final answer
    x = 10,866,157.56

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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.