Home / 13,165,801.20-19,748,701.80-6,788,509.20

Finding the Fourth Proportional to 13,165,801.20, 19,748,701.80 and 6,788,509.20

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Solution

The fourth proportional to 13,165,801.20, 19,748,701.80 and 6,788,509.20 is: 10,182,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165,801.20 : 19,748,701.80 = 6,788,509.20 : x
  2. Step 2: Convert to fraction form
    13,165,801.20/19,748,701.80 = 6,788,509.20/x
  3. Step 3: Cross multiply
    13,165,801.20x = 19,748,701.80 × 6,788,509.20
  4. Step 4: Simplify right side
    13,165,801.20x = 134,064,243,857,356.56
  5. Step 5: Solve for x
    x = 134,064,243,857,356.56/13,165,801.20
  6. Step 6: Final answer
    x = 10,182,763.80

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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.