Home / 38,888,920.40-58,296,055.80-30,248,229.20

Finding the Fourth Proportional to 38,888,920.40, 58,296,055.80 and 30,248,229.20

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Solution

The fourth proportional to 38,888,920.40, 58,296,055.80 and 30,248,229.20 is: 45,343,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888,920.40 : 58,296,055.80 = 30,248,229.20 : x
  2. Step 2: Convert to fraction form
    38,888,920.40/58,296,055.80 = 30,248,229.20/x
  3. Step 3: Cross multiply
    38,888,920.40x = 58,296,055.80 × 30,248,229.20
  4. Step 4: Simplify right side
    38,888,920.40x = 1,763,352,457,294,389.25
  5. Step 5: Solve for x
    x = 1,763,352,457,294,389.25/38,888,920.40
  6. Step 6: Final answer
    x = 45,343,312.16

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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.