Home / 13,854,170.78-19,119,346.12-7,742,599.10

Finding the Fourth Proportional to 13,854,170.78, 19,119,346.12 and 7,742,599.10

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Solution

The fourth proportional to 13,854,170.78, 19,119,346.12 and 7,742,599.10 is: 10,685,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,170.78 : 19,119,346.12 = 7,742,599.10 : x
  2. Step 2: Convert to fraction form
    13,854,170.78/19,119,346.12 = 7,742,599.10/x
  3. Step 3: Cross multiply
    13,854,170.78x = 19,119,346.12 × 7,742,599.10
  4. Step 4: Simplify right side
    13,854,170.78x = 148,033,431,946,347.25
  5. Step 5: Solve for x
    x = 148,033,431,946,347.25/13,854,170.78
  6. Step 6: Final answer
    x = 10,685,116.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.