Home / 19,008,029.80-28,506,515.10-10,492,445.80

Finding the Fourth Proportional to 19,008,029.80, 28,506,515.10 and 10,492,445.80

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Solution

The fourth proportional to 19,008,029.80, 28,506,515.10 and 10,492,445.80 is: 15,735,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,029.80 : 28,506,515.10 = 10,492,445.80 : x
  2. Step 2: Convert to fraction form
    19,008,029.80/28,506,515.10 = 10,492,445.80/x
  3. Step 3: Cross multiply
    19,008,029.80x = 28,506,515.10 × 10,492,445.80
  4. Step 4: Simplify right side
    19,008,029.80x = 299,103,064,633,631.62
  5. Step 5: Solve for x
    x = 299,103,064,633,631.62/19,008,029.80
  6. Step 6: Final answer
    x = 15,735,616.36

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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.