Home / 21,314,314.80-31,975,619.40-6,168,740.40

Finding the Fourth Proportional to 21,314,314.80, 31,975,619.40 and 6,168,740.40

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Solution

The fourth proportional to 21,314,314.80, 31,975,619.40 and 6,168,740.40 is: 9,254,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314,314.80 : 31,975,619.40 = 6,168,740.40 : x
  2. Step 2: Convert to fraction form
    21,314,314.80/31,975,619.40 = 6,168,740.40/x
  3. Step 3: Cross multiply
    21,314,314.80x = 31,975,619.40 × 6,168,740.40
  4. Step 4: Simplify right side
    21,314,314.80x = 197,249,295,207,803.75
  5. Step 5: Solve for x
    x = 197,249,295,207,803.75/21,314,314.80
  6. Step 6: Final answer
    x = 9,254,310.87

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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.