Home / 10,351,511.20-15,527,266.80-2,779,242.40

Finding the Fourth Proportional to 10,351,511.20, 15,527,266.80 and 2,779,242.40

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Solution

The fourth proportional to 10,351,511.20, 15,527,266.80 and 2,779,242.40 is: 4,168,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,511.20 : 15,527,266.80 = 2,779,242.40 : x
  2. Step 2: Convert to fraction form
    10,351,511.20/15,527,266.80 = 2,779,242.40/x
  3. Step 3: Cross multiply
    10,351,511.20x = 15,527,266.80 × 2,779,242.40
  4. Step 4: Simplify right side
    10,351,511.20x = 43,154,038,246,672.32
  5. Step 5: Solve for x
    x = 43,154,038,246,672.32/10,351,511.20
  6. Step 6: Final answer
    x = 4,168,863.60

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1.5x scale

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.