Home / 13,294,516.80-19,941,775.20-4,319,068.80

Finding the Fourth Proportional to 13,294,516.80, 19,941,775.20 and 4,319,068.80

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Solution

The fourth proportional to 13,294,516.80, 19,941,775.20 and 4,319,068.80 is: 6,478,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294,516.80 : 19,941,775.20 = 4,319,068.80 : x
  2. Step 2: Convert to fraction form
    13,294,516.80/19,941,775.20 = 4,319,068.80/x
  3. Step 3: Cross multiply
    13,294,516.80x = 19,941,775.20 × 4,319,068.80
  4. Step 4: Simplify right side
    13,294,516.80x = 86,129,899,082,933.75
  5. Step 5: Solve for x
    x = 86,129,899,082,933.75/13,294,516.80
  6. Step 6: Final answer
    x = 6,478,603.20

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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.