Home / 13,305,985.10-19,968,308.85-8,525,300.30

Finding the Fourth Proportional to 13,305,985.10, 19,968,308.85 and 8,525,300.30

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Solution

The fourth proportional to 13,305,985.10, 19,968,308.85 and 8,525,300.30 is: 12,793,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,985.10 : 19,968,308.85 = 8,525,300.30 : x
  2. Step 2: Convert to fraction form
    13,305,985.10/19,968,308.85 = 8,525,300.30/x
  3. Step 3: Cross multiply
    13,305,985.10x = 19,968,308.85 × 8,525,300.30
  4. Step 4: Simplify right side
    13,305,985.10x = 170,235,829,429,397.69
  5. Step 5: Solve for x
    x = 170,235,829,429,397.69/13,305,985.10
  6. Step 6: Final answer
    x = 12,793,929.06

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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.