Home / 28,060,611.12-38,730,114.40-16,461,900.72

Finding the Fourth Proportional to 28,060,611.12, 38,730,114.40 and 16,461,900.72

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Solution

The fourth proportional to 28,060,611.12, 38,730,114.40 and 16,461,900.72 is: 22,721,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060,611.12 : 38,730,114.40 = 16,461,900.72 : x
  2. Step 2: Convert to fraction form
    28,060,611.12/38,730,114.40 = 16,461,900.72/x
  3. Step 3: Cross multiply
    28,060,611.12x = 38,730,114.40 × 16,461,900.72
  4. Step 4: Simplify right side
    28,060,611.12x = 637,571,298,127,042.38
  5. Step 5: Solve for x
    x = 637,571,298,127,042.38/28,060,611.12
  6. Step 6: Final answer
    x = 22,721,219.27

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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.