Home / 19,001,579.78-28,492,116.33-8,621,133.30

Finding the Fourth Proportional to 19,001,579.78, 28,492,116.33 and 8,621,133.30

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Solution

The fourth proportional to 19,001,579.78, 28,492,116.33 and 8,621,133.30 is: 12,927,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001,579.78 : 28,492,116.33 = 8,621,133.30 : x
  2. Step 2: Convert to fraction form
    19,001,579.78/28,492,116.33 = 8,621,133.30/x
  3. Step 3: Cross multiply
    19,001,579.78x = 28,492,116.33 × 8,621,133.30
  4. Step 4: Simplify right side
    19,001,579.78x = 245,634,332,880,036.78
  5. Step 5: Solve for x
    x = 245,634,332,880,036.78/19,001,579.78
  6. Step 6: Final answer
    x = 12,927,047.95

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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.