Home / 13,113,266.10-19,669,899.15-8,342,106.90

Finding the Fourth Proportional to 13,113,266.10, 19,669,899.15 and 8,342,106.90

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Solution

The fourth proportional to 13,113,266.10, 19,669,899.15 and 8,342,106.90 is: 12,513,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113,266.10 : 19,669,899.15 = 8,342,106.90 : x
  2. Step 2: Convert to fraction form
    13,113,266.10/19,669,899.15 = 8,342,106.90/x
  3. Step 3: Cross multiply
    13,113,266.10x = 19,669,899.15 × 8,342,106.90
  4. Step 4: Simplify right side
    13,113,266.10x = 164,088,401,421,519.12
  5. Step 5: Solve for x
    x = 164,088,401,421,519.12/13,113,266.10
  6. Step 6: Final answer
    x = 12,513,160.35

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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.