Home / 13,361,015.80-18,438,416.13-7,249,444.30

Finding the Fourth Proportional to 13,361,015.80, 18,438,416.13 and 7,249,444.30

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Solution

The fourth proportional to 13,361,015.80, 18,438,416.13 and 7,249,444.30 is: 10,004,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,015.80 : 18,438,416.13 = 7,249,444.30 : x
  2. Step 2: Convert to fraction form
    13,361,015.80/18,438,416.13 = 7,249,444.30/x
  3. Step 3: Cross multiply
    13,361,015.80x = 18,438,416.13 × 7,249,444.30
  4. Step 4: Simplify right side
    13,361,015.80x = 133,668,270,714,656.55
  5. Step 5: Solve for x
    x = 133,668,270,714,656.55/13,361,015.80
  6. Step 6: Final answer
    x = 10,004,349.42

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1.5x scale

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.