Home / 21,977,742.18-32,966,219.20-9,021,079.38

Finding the Fourth Proportional to 21,977,742.18, 32,966,219.20 and 9,021,079.38

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Solution

The fourth proportional to 21,977,742.18, 32,966,219.20 and 9,021,079.38 is: 13,531,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977,742.18 : 32,966,219.20 = 9,021,079.38 : x
  2. Step 2: Convert to fraction form
    21,977,742.18/32,966,219.20 = 9,021,079.38/x
  3. Step 3: Cross multiply
    21,977,742.18x = 32,966,219.20 × 9,021,079.38
  4. Step 4: Simplify right side
    21,977,742.18x = 297,390,880,261,680.12
  5. Step 5: Solve for x
    x = 297,390,880,261,680.12/21,977,742.18
  6. Step 6: Final answer
    x = 13,531,457.32

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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.