Home / 10,920,045.60-16,380,068.40-8,794,281.60

Finding the Fourth Proportional to 10,920,045.60, 16,380,068.40 and 8,794,281.60

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Solution

The fourth proportional to 10,920,045.60, 16,380,068.40 and 8,794,281.60 is: 13,191,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,045.60 : 16,380,068.40 = 8,794,281.60 : x
  2. Step 2: Convert to fraction form
    10,920,045.60/16,380,068.40 = 8,794,281.60/x
  3. Step 3: Cross multiply
    10,920,045.60x = 16,380,068.40 × 8,794,281.60
  4. Step 4: Simplify right side
    10,920,045.60x = 144,050,934,136,861.44
  5. Step 5: Solve for x
    x = 144,050,934,136,861.44/10,920,045.60
  6. Step 6: Final answer
    x = 13,191,422.40

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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.