Home / 13,593,075.05-20,389,612.58-12,761,665.13

Finding the Fourth Proportional to 13,593,075.05, 20,389,612.58 and 12,761,665.13

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Solution

The fourth proportional to 13,593,075.05, 20,389,612.58 and 12,761,665.13 is: 19,142,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593,075.05 : 20,389,612.58 = 12,761,665.13 : x
  2. Step 2: Convert to fraction form
    13,593,075.05/20,389,612.58 = 12,761,665.13/x
  3. Step 3: Cross multiply
    13,593,075.05x = 20,389,612.58 × 12,761,665.13
  4. Step 4: Simplify right side
    13,593,075.05x = 260,205,407,911,417.28
  5. Step 5: Solve for x
    x = 260,205,407,911,417.28/13,593,075.05
  6. Step 6: Final answer
    x = 19,142,497.70

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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.