Home / 28,242,307.04-38,972,244.80-15,850,007.11

Finding the Fourth Proportional to 28,242,307.04, 38,972,244.80 and 15,850,007.11

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Solution

The fourth proportional to 28,242,307.04, 38,972,244.80 and 15,850,007.11 is: 21,871,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,307.04 : 38,972,244.80 = 15,850,007.11 : x
  2. Step 2: Convert to fraction form
    28,242,307.04/38,972,244.80 = 15,850,007.11/x
  3. Step 3: Cross multiply
    28,242,307.04x = 38,972,244.80 × 15,850,007.11
  4. Step 4: Simplify right side
    28,242,307.04x = 617,710,356,977,799.25
  5. Step 5: Solve for x
    x = 617,710,356,977,799.25/28,242,307.04
  6. Step 6: Final answer
    x = 21,871,809.42

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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.