Home / 6,475,375.40-9,713,063.10-1,987,068.20

Finding the Fourth Proportional to 6,475,375.40, 9,713,063.10 and 1,987,068.20

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Solution

The fourth proportional to 6,475,375.40, 9,713,063.10 and 1,987,068.20 is: 2,980,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,375.40 : 9,713,063.10 = 1,987,068.20 : x
  2. Step 2: Convert to fraction form
    6,475,375.40/9,713,063.10 = 1,987,068.20/x
  3. Step 3: Cross multiply
    6,475,375.40x = 9,713,063.10 × 1,987,068.20
  4. Step 4: Simplify right side
    6,475,375.40x = 19,300,518,810,603.42
  5. Step 5: Solve for x
    x = 19,300,518,810,603.42/6,475,375.40
  6. Step 6: Final answer
    x = 2,980,602.30

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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.