Home / 30,645,705.60-42,291,362.30-16,895,161.80

Finding the Fourth Proportional to 30,645,705.60, 42,291,362.30 and 16,895,161.80

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Solution

The fourth proportional to 30,645,705.60, 42,291,362.30 and 16,895,161.80 is: 23,315,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,705.60 : 42,291,362.30 = 16,895,161.80 : x
  2. Step 2: Convert to fraction form
    30,645,705.60/42,291,362.30 = 16,895,161.80/x
  3. Step 3: Cross multiply
    30,645,705.60x = 42,291,362.30 × 16,895,161.80
  4. Step 4: Simplify right side
    30,645,705.60x = 714,519,408,800,920.12
  5. Step 5: Solve for x
    x = 714,519,408,800,920.12/30,645,705.60
  6. Step 6: Final answer
    x = 23,315,482.38

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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.