Home / 19,315,231.80-28,972,847.70-5,852,729.40

Finding the Fourth Proportional to 19,315,231.80, 28,972,847.70 and 5,852,729.40

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Solution

The fourth proportional to 19,315,231.80, 28,972,847.70 and 5,852,729.40 is: 8,779,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,231.80 : 28,972,847.70 = 5,852,729.40 : x
  2. Step 2: Convert to fraction form
    19,315,231.80/28,972,847.70 = 5,852,729.40/x
  3. Step 3: Cross multiply
    19,315,231.80x = 28,972,847.70 × 5,852,729.40
  4. Step 4: Simplify right side
    19,315,231.80x = 169,570,237,535,512.38
  5. Step 5: Solve for x
    x = 169,570,237,535,512.38/19,315,231.80
  6. Step 6: Final answer
    x = 8,779,094.10

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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.