Home / 64,369,628.20-96,554,442.30-18,936,015.40

Finding the Fourth Proportional to 64,369,628.20, 96,554,442.30 and 18,936,015.40

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Solution

The fourth proportional to 64,369,628.20, 96,554,442.30 and 18,936,015.40 is: 28,404,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369,628.20 : 96,554,442.30 = 18,936,015.40 : x
  2. Step 2: Convert to fraction form
    64,369,628.20/96,554,442.30 = 18,936,015.40/x
  3. Step 3: Cross multiply
    64,369,628.20x = 96,554,442.30 × 18,936,015.40
  4. Step 4: Simplify right side
    64,369,628.20x = 1,828,356,406,331,211.25
  5. Step 5: Solve for x
    x = 1,828,356,406,331,211.25/64,369,628.20
  6. Step 6: Final answer
    x = 28,404,023.10

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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.