Home / 13,361,527.80-18,439,122.69-7,249,956.30

Finding the Fourth Proportional to 13,361,527.80, 18,439,122.69 and 7,249,956.30

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Solution

The fourth proportional to 13,361,527.80, 18,439,122.69 and 7,249,956.30 is: 10,005,055.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,527.80 : 18,439,122.69 = 7,249,956.30 : x
  2. Step 2: Convert to fraction form
    13,361,527.80/18,439,122.69 = 7,249,956.30/x
  3. Step 3: Cross multiply
    13,361,527.80x = 18,439,122.69 × 7,249,956.30
  4. Step 4: Simplify right side
    13,361,527.80x = 133,682,833,712,838.45
  5. Step 5: Solve for x
    x = 133,682,833,712,838.45/13,361,527.80
  6. Step 6: Final answer
    x = 10,005,055.99

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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.