Home / 17,778,841.80-26,669,429.10-4,999,763.40

Finding the Fourth Proportional to 17,778,841.80, 26,669,429.10 and 4,999,763.40

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Solution

The fourth proportional to 17,778,841.80, 26,669,429.10 and 4,999,763.40 is: 7,499,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778,841.80 : 26,669,429.10 = 4,999,763.40 : x
  2. Step 2: Convert to fraction form
    17,778,841.80/26,669,429.10 = 4,999,763.40/x
  3. Step 3: Cross multiply
    17,778,841.80x = 26,669,429.10 × 4,999,763.40
  4. Step 4: Simplify right side
    17,778,841.80x = 133,340,835,513,074.95
  5. Step 5: Solve for x
    x = 133,340,835,513,074.95/17,778,841.80
  6. Step 6: Final answer
    x = 7,499,973.11

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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.