Home / 39,033,448.63-53,866,475.55-21,630,084.48

Finding the Fourth Proportional to 39,033,448.63, 53,866,475.55 and 21,630,084.48

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Solution

The fourth proportional to 39,033,448.63, 53,866,475.55 and 21,630,084.48 is: 29,849,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,448.63 : 53,866,475.55 = 21,630,084.48 : x
  2. Step 2: Convert to fraction form
    39,033,448.63/53,866,475.55 = 21,630,084.48/x
  3. Step 3: Cross multiply
    39,033,448.63x = 53,866,475.55 × 21,630,084.48
  4. Step 4: Simplify right side
    39,033,448.63x = 1,165,136,416,786,354.50
  5. Step 5: Solve for x
    x = 1,165,136,416,786,354.50/39,033,448.63
  6. Step 6: Final answer
    x = 29,849,691.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.