Home / 10,518,742.40-15,779,690.40-4,453,462.40

Finding the Fourth Proportional to 10,518,742.40, 15,779,690.40 and 4,453,462.40

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Solution

The fourth proportional to 10,518,742.40, 15,779,690.40 and 4,453,462.40 is: 6,680,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518,742.40 : 15,779,690.40 = 4,453,462.40 : x
  2. Step 2: Convert to fraction form
    10,518,742.40/15,779,690.40 = 4,453,462.40/x
  3. Step 3: Cross multiply
    10,518,742.40x = 15,779,690.40 × 4,453,462.40
  4. Step 4: Simplify right side
    10,518,742.40x = 70,274,257,880,040.97
  5. Step 5: Solve for x
    x = 70,274,257,880,040.97/10,518,742.40
  6. Step 6: Final answer
    x = 6,680,861.19

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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.