Home / 22,191,710.50-30,625,506.28-12,402,154.40

Finding the Fourth Proportional to 22,191,710.50, 30,625,506.28 and 12,402,154.40

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Solution

The fourth proportional to 22,191,710.50, 30,625,506.28 and 12,402,154.40 is: 17,115,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191,710.50 : 30,625,506.28 = 12,402,154.40 : x
  2. Step 2: Convert to fraction form
    22,191,710.50/30,625,506.28 = 12,402,154.40/x
  3. Step 3: Cross multiply
    22,191,710.50x = 30,625,506.28 × 12,402,154.40
  4. Step 4: Simplify right side
    22,191,710.50x = 379,822,257,462,729.69
  5. Step 5: Solve for x
    x = 379,822,257,462,729.69/22,191,710.50
  6. Step 6: Final answer
    x = 17,115,501.64

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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.