Home / 39,684,931.74-54,763,354.80-22,044,977.64

Finding the Fourth Proportional to 39,684,931.74, 54,763,354.80 and 22,044,977.64

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Solution

The fourth proportional to 39,684,931.74, 54,763,354.80 and 22,044,977.64 is: 30,421,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,684,931.74 : 54,763,354.80 = 22,044,977.64 : x
  2. Step 2: Convert to fraction form
    39,684,931.74/54,763,354.80 = 22,044,977.64/x
  3. Step 3: Cross multiply
    39,684,931.74x = 54,763,354.80 × 22,044,977.64
  4. Step 4: Simplify right side
    39,684,931.74x = 1,207,256,932,057,386.75
  5. Step 5: Solve for x
    x = 1,207,256,932,057,386.75/39,684,931.74
  6. Step 6: Final answer
    x = 30,421,040.91

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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.