Home / 19,787,666.80-29,681,500.20-16,386,444.40

Finding the Fourth Proportional to 19,787,666.80, 29,681,500.20 and 16,386,444.40

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Solution

The fourth proportional to 19,787,666.80, 29,681,500.20 and 16,386,444.40 is: 24,579,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787,666.80 : 29,681,500.20 = 16,386,444.40 : x
  2. Step 2: Convert to fraction form
    19,787,666.80/29,681,500.20 = 16,386,444.40/x
  3. Step 3: Cross multiply
    19,787,666.80x = 29,681,500.20 × 16,386,444.40
  4. Step 4: Simplify right side
    19,787,666.80x = 486,374,252,735,888.88
  5. Step 5: Solve for x
    x = 486,374,252,735,888.88/19,787,666.80
  6. Step 6: Final answer
    x = 24,579,666.60

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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.