Home / 22,421,348.70-30,941,460.54-12,108,071.40

Finding the Fourth Proportional to 22,421,348.70, 30,941,460.54 and 12,108,071.40

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Solution

The fourth proportional to 22,421,348.70, 30,941,460.54 and 12,108,071.40 is: 16,709,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421,348.70 : 30,941,460.54 = 12,108,071.40 : x
  2. Step 2: Convert to fraction form
    22,421,348.70/30,941,460.54 = 12,108,071.40/x
  3. Step 3: Cross multiply
    22,421,348.70x = 30,941,460.54 × 12,108,071.40
  4. Step 4: Simplify right side
    22,421,348.70x = 374,641,413,438,602.56
  5. Step 5: Solve for x
    x = 374,641,413,438,602.56/22,421,348.70
  6. Step 6: Final answer
    x = 16,709,138.17

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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.