Home / 22,191,712.54-30,625,509.09-12,402,156.45

Finding the Fourth Proportional to 22,191,712.54, 30,625,509.09 and 12,402,156.45

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Solution

The fourth proportional to 22,191,712.54, 30,625,509.09 and 12,402,156.45 is: 17,115,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191,712.54 : 30,625,509.09 = 12,402,156.45 : x
  2. Step 2: Convert to fraction form
    22,191,712.54/30,625,509.09 = 12,402,156.45/x
  3. Step 3: Cross multiply
    22,191,712.54x = 30,625,509.09 × 12,402,156.45
  4. Step 4: Simplify right side
    22,191,712.54x = 379,822,355,095,077.12
  5. Step 5: Solve for x
    x = 379,822,355,095,077.12/22,191,712.54
  6. Step 6: Final answer
    x = 17,115,504.47

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1.5x scale

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.