Home / 19,408,031.80-29,112,047.70-12,227,673.40

Finding the Fourth Proportional to 19,408,031.80, 29,112,047.70 and 12,227,673.40

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Solution

The fourth proportional to 19,408,031.80, 29,112,047.70 and 12,227,673.40 is: 18,341,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408,031.80 : 29,112,047.70 = 12,227,673.40 : x
  2. Step 2: Convert to fraction form
    19,408,031.80/29,112,047.70 = 12,227,673.40/x
  3. Step 3: Cross multiply
    19,408,031.80x = 29,112,047.70 × 12,227,673.40
  4. Step 4: Simplify right side
    19,408,031.80x = 355,972,611,280,821.19
  5. Step 5: Solve for x
    x = 355,972,611,280,821.19/19,408,031.80
  6. Step 6: Final answer
    x = 18,341,510.10

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1.5x scale

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.