Home / 35,712,025.80-53,568,038.70-18,677,920.20

Finding the Fourth Proportional to 35,712,025.80, 53,568,038.70 and 18,677,920.20

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Solution

The fourth proportional to 35,712,025.80, 53,568,038.70 and 18,677,920.20 is: 28,016,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712,025.80 : 53,568,038.70 = 18,677,920.20 : x
  2. Step 2: Convert to fraction form
    35,712,025.80/53,568,038.70 = 18,677,920.20/x
  3. Step 3: Cross multiply
    35,712,025.80x = 53,568,038.70 × 18,677,920.20
  4. Step 4: Simplify right side
    35,712,025.80x = 1,000,539,552,109,111.75
  5. Step 5: Solve for x
    x = 1,000,539,552,109,111.75/35,712,025.80
  6. Step 6: Final answer
    x = 28,016,880.30

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Similar ratio
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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.