Home / 20,014,485.63-29,987,421.90-13,436,875.36

Finding the Fourth Proportional to 20,014,485.63, 29,987,421.90 and 13,436,875.36

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Solution

The fourth proportional to 20,014,485.63, 29,987,421.90 and 13,436,875.36 is: 20,132,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014,485.63 : 29,987,421.90 = 13,436,875.36 : x
  2. Step 2: Convert to fraction form
    20,014,485.63/29,987,421.90 = 13,436,875.36/x
  3. Step 3: Cross multiply
    20,014,485.63x = 29,987,421.90 × 13,436,875.36
  4. Step 4: Simplify right side
    20,014,485.63x = 402,937,250,438,034.38
  5. Step 5: Solve for x
    x = 402,937,250,438,034.38/20,014,485.63
  6. Step 6: Final answer
    x = 20,132,281.08

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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.