Home / 14,900,457.14-20,564,335.30-8,285,705.12

Finding the Fourth Proportional to 14,900,457.14, 20,564,335.30 and 8,285,705.12

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Solution

The fourth proportional to 14,900,457.14, 20,564,335.30 and 8,285,705.12 is: 11,435,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900,457.14 : 20,564,335.30 = 8,285,705.12 : x
  2. Step 2: Convert to fraction form
    14,900,457.14/20,564,335.30 = 8,285,705.12/x
  3. Step 3: Cross multiply
    14,900,457.14x = 20,564,335.30 × 8,285,705.12
  4. Step 4: Simplify right side
    14,900,457.14x = 170,390,018,284,606.75
  5. Step 5: Solve for x
    x = 170,390,018,284,606.75/14,900,457.14
  6. Step 6: Final answer
    x = 11,435,220.86

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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.