Home / 12,483,856.20-18,697,790.70-10,244,368.20

Finding the Fourth Proportional to 12,483,856.20, 18,697,790.70 and 10,244,368.20

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Solution

The fourth proportional to 12,483,856.20, 18,697,790.70 and 10,244,368.20 is: 15,343,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,856.20 : 18,697,790.70 = 10,244,368.20 : x
  2. Step 2: Convert to fraction form
    12,483,856.20/18,697,790.70 = 10,244,368.20/x
  3. Step 3: Cross multiply
    12,483,856.20x = 18,697,790.70 × 10,244,368.20
  4. Step 4: Simplify right side
    12,483,856.20x = 191,547,052,457,335.72
  5. Step 5: Solve for x
    x = 191,547,052,457,335.72/12,483,856.20
  6. Step 6: Final answer
    x = 15,343,580.49

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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.