Home / 21,975,795.40-32,977,689.90-12,877,875.40

Finding the Fourth Proportional to 21,975,795.40, 32,977,689.90 and 12,877,875.40

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Solution

The fourth proportional to 21,975,795.40, 32,977,689.90 and 12,877,875.40 is: 19,325,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,975,795.40 : 32,977,689.90 = 12,877,875.40 : x
  2. Step 2: Convert to fraction form
    21,975,795.40/32,977,689.90 = 12,877,875.40/x
  3. Step 3: Cross multiply
    21,975,795.40x = 32,977,689.90 × 12,877,875.40
  4. Step 4: Simplify right side
    21,975,795.40x = 424,682,581,512,038.44
  5. Step 5: Solve for x
    x = 424,682,581,512,038.44/21,975,795.40
  6. Step 6: Final answer
    x = 19,325,015.26

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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.