Home / 13,209,268.32-18,228,922.29-7,407,925.50

Finding the Fourth Proportional to 13,209,268.32, 18,228,922.29 and 7,407,925.50

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Solution

The fourth proportional to 13,209,268.32, 18,228,922.29 and 7,407,925.50 is: 10,223,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,268.32 : 18,228,922.29 = 7,407,925.50 : x
  2. Step 2: Convert to fraction form
    13,209,268.32/18,228,922.29 = 7,407,925.50/x
  3. Step 3: Cross multiply
    13,209,268.32x = 18,228,922.29 × 7,407,925.50
  4. Step 4: Simplify right side
    13,209,268.32x = 135,038,498,337,967.84
  5. Step 5: Solve for x
    x = 135,038,498,337,967.84/13,209,268.32
  6. Step 6: Final answer
    x = 10,223,011.23

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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.