Home / 14,637,664.70-20,200,095.90-8,111,403.20

Finding the Fourth Proportional to 14,637,664.70, 20,200,095.90 and 8,111,403.20

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Solution

The fourth proportional to 14,637,664.70, 20,200,095.90 and 8,111,403.20 is: 11,193,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637,664.70 : 20,200,095.90 = 8,111,403.20 : x
  2. Step 2: Convert to fraction form
    14,637,664.70/20,200,095.90 = 8,111,403.20/x
  3. Step 3: Cross multiply
    14,637,664.70x = 20,200,095.90 × 8,111,403.20
  4. Step 4: Simplify right side
    14,637,664.70x = 163,851,122,523,566.88
  5. Step 5: Solve for x
    x = 163,851,122,523,566.88/14,637,664.70
  6. Step 6: Final answer
    x = 11,193,802.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.