Home / 14,013,012.60-21,019,518.90-8,604,124.20

Finding the Fourth Proportional to 14,013,012.60, 21,019,518.90 and 8,604,124.20

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Solution

The fourth proportional to 14,013,012.60, 21,019,518.90 and 8,604,124.20 is: 12,906,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,012.60 : 21,019,518.90 = 8,604,124.20 : x
  2. Step 2: Convert to fraction form
    14,013,012.60/21,019,518.90 = 8,604,124.20/x
  3. Step 3: Cross multiply
    14,013,012.60x = 21,019,518.90 × 8,604,124.20
  4. Step 4: Simplify right side
    14,013,012.60x = 180,854,551,239,847.34
  5. Step 5: Solve for x
    x = 180,854,551,239,847.34/14,013,012.60
  6. Step 6: Final answer
    x = 12,906,186.30

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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.