Home / 13,518,434.66-18,655,363.13-7,323,602.04

Finding the Fourth Proportional to 13,518,434.66, 18,655,363.13 and 7,323,602.04

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Solution

The fourth proportional to 13,518,434.66, 18,655,363.13 and 7,323,602.04 is: 10,106,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518,434.66 : 18,655,363.13 = 7,323,602.04 : x
  2. Step 2: Convert to fraction form
    13,518,434.66/18,655,363.13 = 7,323,602.04/x
  3. Step 3: Cross multiply
    13,518,434.66x = 18,655,363.13 × 7,323,602.04
  4. Step 4: Simplify right side
    13,518,434.66x = 136,624,455,439,190.78
  5. Step 5: Solve for x
    x = 136,624,455,439,190.78/13,518,434.66
  6. Step 6: Final answer
    x = 10,106,529.26

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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.