Home / 13,515,612.96-18,646,871.72-10,249,024.80

Finding the Fourth Proportional to 13,515,612.96, 18,646,871.72 and 10,249,024.80

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Solution

The fourth proportional to 13,515,612.96, 18,646,871.72 and 10,249,024.80 is: 14,140,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,612.96 : 18,646,871.72 = 10,249,024.80 : x
  2. Step 2: Convert to fraction form
    13,515,612.96/18,646,871.72 = 10,249,024.80/x
  3. Step 3: Cross multiply
    13,515,612.96x = 18,646,871.72 × 10,249,024.80
  4. Step 4: Simplify right side
    13,515,612.96x = 191,112,250,700,698.66
  5. Step 5: Solve for x
    x = 191,112,250,700,698.66/13,515,612.96
  6. Step 6: Final answer
    x = 14,140,109.76

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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.