Home / 17,778,813.80-26,669,387.10-4,999,735.40

Finding the Fourth Proportional to 17,778,813.80, 26,669,387.10 and 4,999,735.40

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Solution

The fourth proportional to 17,778,813.80, 26,669,387.10 and 4,999,735.40 is: 7,499,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778,813.80 : 26,669,387.10 = 4,999,735.40 : x
  2. Step 2: Convert to fraction form
    17,778,813.80/26,669,387.10 = 4,999,735.40/x
  3. Step 3: Cross multiply
    17,778,813.80x = 26,669,387.10 × 4,999,735.40
  4. Step 4: Simplify right side
    17,778,813.80x = 133,339,878,780,173.36
  5. Step 5: Solve for x
    x = 133,339,878,780,173.36/17,778,813.80
  6. Step 6: Final answer
    x = 7,499,931.11

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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.