Home / 39,575,779.84-59,360,766.72-12,642,204.16

Finding the Fourth Proportional to 39,575,779.84, 59,360,766.72 and 12,642,204.16

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Solution

The fourth proportional to 39,575,779.84, 59,360,766.72 and 12,642,204.16 is: 18,962,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575,779.84 : 59,360,766.72 = 12,642,204.16 : x
  2. Step 2: Convert to fraction form
    39,575,779.84/59,360,766.72 = 12,642,204.16/x
  3. Step 3: Cross multiply
    39,575,779.84x = 59,360,766.72 × 12,642,204.16
  4. Step 4: Simplify right side
    39,575,779.84x = 750,450,931,968,373.50
  5. Step 5: Solve for x
    x = 750,450,931,968,373.50/39,575,779.84
  6. Step 6: Final answer
    x = 18,962,378.88

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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.