Home / 13,303,820.20-19,955,730.30-10,434,038.80

Finding the Fourth Proportional to 13,303,820.20, 19,955,730.30 and 10,434,038.80

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Solution

The fourth proportional to 13,303,820.20, 19,955,730.30 and 10,434,038.80 is: 15,651,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,820.20 : 19,955,730.30 = 10,434,038.80 : x
  2. Step 2: Convert to fraction form
    13,303,820.20/19,955,730.30 = 10,434,038.80/x
  3. Step 3: Cross multiply
    13,303,820.20x = 19,955,730.30 × 10,434,038.80
  4. Step 4: Simplify right side
    13,303,820.20x = 208,218,864,232,535.66
  5. Step 5: Solve for x
    x = 208,218,864,232,535.66/13,303,820.20
  6. Step 6: Final answer
    x = 15,651,058.20

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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.