Home / 10,500,386.20-15,750,579.30-6,557,881.30

Finding the Fourth Proportional to 10,500,386.20, 15,750,579.30 and 6,557,881.30

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Solution

The fourth proportional to 10,500,386.20, 15,750,579.30 and 6,557,881.30 is: 9,836,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,386.20 : 15,750,579.30 = 6,557,881.30 : x
  2. Step 2: Convert to fraction form
    10,500,386.20/15,750,579.30 = 6,557,881.30/x
  3. Step 3: Cross multiply
    10,500,386.20x = 15,750,579.30 × 6,557,881.30
  4. Step 4: Simplify right side
    10,500,386.20x = 103,290,429,455,637.09
  5. Step 5: Solve for x
    x = 103,290,429,455,637.09/10,500,386.20
  6. Step 6: Final answer
    x = 9,836,821.95

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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.