Home / 10,973,312.72-15,148,422.60-7,308,328.40

Finding the Fourth Proportional to 10,973,312.72, 15,148,422.60 and 7,308,328.40

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Solution

The fourth proportional to 10,973,312.72, 15,148,422.60 and 7,308,328.40 is: 10,088,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973,312.72 : 15,148,422.60 = 7,308,328.40 : x
  2. Step 2: Convert to fraction form
    10,973,312.72/15,148,422.60 = 7,308,328.40/x
  3. Step 3: Cross multiply
    10,973,312.72x = 15,148,422.60 × 7,308,328.40
  4. Step 4: Simplify right side
    10,973,312.72x = 110,709,647,102,781.84
  5. Step 5: Solve for x
    x = 110,709,647,102,781.84/10,973,312.72
  6. Step 6: Final answer
    x = 10,088,990.44

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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.