Home / 13,191,719.40-19,787,579.10-10,924,237.80

Finding the Fourth Proportional to 13,191,719.40, 19,787,579.10 and 10,924,237.80

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Solution

The fourth proportional to 13,191,719.40, 19,787,579.10 and 10,924,237.80 is: 16,386,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,719.40 : 19,787,579.10 = 10,924,237.80 : x
  2. Step 2: Convert to fraction form
    13,191,719.40/19,787,579.10 = 10,924,237.80/x
  3. Step 3: Cross multiply
    13,191,719.40x = 19,787,579.10 × 10,924,237.80
  4. Step 4: Simplify right side
    13,191,719.40x = 216,164,219,574,710
  5. Step 5: Solve for x
    x = 216,164,219,574,710/13,191,719.40
  6. Step 6: Final answer
    x = 16,386,356.70

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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.