Home / 39,675,971.02-54,760,895.12-22,931,421.80

Finding the Fourth Proportional to 39,675,971.02, 54,760,895.12 and 22,931,421.80

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Solution

The fourth proportional to 39,675,971.02, 54,760,895.12 and 22,931,421.80 is: 31,650,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,675,971.02 : 54,760,895.12 = 22,931,421.80 : x
  2. Step 2: Convert to fraction form
    39,675,971.02/54,760,895.12 = 22,931,421.80/x
  3. Step 3: Cross multiply
    39,675,971.02x = 54,760,895.12 × 22,931,421.80
  4. Step 4: Simplify right side
    39,675,971.02x = 1,255,745,184,142,281.50
  5. Step 5: Solve for x
    x = 1,255,745,184,142,281.50/39,675,971.02
  6. Step 6: Final answer
    x = 31,650,017.68

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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.