Home / 19,001,579.27-28,492,115.59-8,621,132.80

Finding the Fourth Proportional to 19,001,579.27, 28,492,115.59 and 8,621,132.80

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Solution

The fourth proportional to 19,001,579.27, 28,492,115.59 and 8,621,132.80 is: 12,927,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001,579.27 : 28,492,115.59 = 8,621,132.80 : x
  2. Step 2: Convert to fraction form
    19,001,579.27/28,492,115.59 = 8,621,132.80/x
  3. Step 3: Cross multiply
    19,001,579.27x = 28,492,115.59 × 8,621,132.80
  4. Step 4: Simplify right side
    19,001,579.27x = 245,634,312,254,340.38
  5. Step 5: Solve for x
    x = 245,634,312,254,340.38/19,001,579.27
  6. Step 6: Final answer
    x = 12,927,047.21

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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.