Home / 13,493,404.80-20,249,438.40-9,709,603.20

Finding the Fourth Proportional to 13,493,404.80, 20,249,438.40 and 9,709,603.20

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Solution

The fourth proportional to 13,493,404.80, 20,249,438.40 and 9,709,603.20 is: 14,571,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,404.80 : 20,249,438.40 = 9,709,603.20 : x
  2. Step 2: Convert to fraction form
    13,493,404.80/20,249,438.40 = 9,709,603.20/x
  3. Step 3: Cross multiply
    13,493,404.80x = 20,249,438.40 × 9,709,603.20
  4. Step 4: Simplify right side
    13,493,404.80x = 196,614,011,886,842.84
  5. Step 5: Solve for x
    x = 196,614,011,886,842.84/13,493,404.80
  6. Step 6: Final answer
    x = 14,571,119.36

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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.