Home / 13,708,323.70-18,919,570.98-8,748,904.82

Finding the Fourth Proportional to 13,708,323.70, 18,919,570.98 and 8,748,904.82

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Solution

The fourth proportional to 13,708,323.70, 18,919,570.98 and 8,748,904.82 is: 12,074,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708,323.70 : 18,919,570.98 = 8,748,904.82 : x
  2. Step 2: Convert to fraction form
    13,708,323.70/18,919,570.98 = 8,748,904.82/x
  3. Step 3: Cross multiply
    13,708,323.70x = 18,919,570.98 × 8,748,904.82
  4. Step 4: Simplify right side
    13,708,323.70x = 165,525,525,739,254.12
  5. Step 5: Solve for x
    x = 165,525,525,739,254.12/13,708,323.70
  6. Step 6: Final answer
    x = 12,074,818.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.