Home / 31,330,830.70-46,996,246.05-28,638,196.30

Finding the Fourth Proportional to 31,330,830.70, 46,996,246.05 and 28,638,196.30

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Solution

The fourth proportional to 31,330,830.70, 46,996,246.05 and 28,638,196.30 is: 42,957,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330,830.70 : 46,996,246.05 = 28,638,196.30 : x
  2. Step 2: Convert to fraction form
    31,330,830.70/46,996,246.05 = 28,638,196.30/x
  3. Step 3: Cross multiply
    31,330,830.70x = 46,996,246.05 × 28,638,196.30
  4. Step 4: Simplify right side
    31,330,830.70x = 1,345,887,719,742,999.50
  5. Step 5: Solve for x
    x = 1,345,887,719,742,999.50/31,330,830.70
  6. Step 6: Final answer
    x = 42,957,294.45

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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.