Home / 30,492,005.40-45,738,008.10-15,375,461.40

Finding the Fourth Proportional to 30,492,005.40, 45,738,008.10 and 15,375,461.40

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Solution

The fourth proportional to 30,492,005.40, 45,738,008.10 and 15,375,461.40 is: 23,063,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,492,005.40 : 45,738,008.10 = 15,375,461.40 : x
  2. Step 2: Convert to fraction form
    30,492,005.40/45,738,008.10 = 15,375,461.40/x
  3. Step 3: Cross multiply
    30,492,005.40x = 45,738,008.10 × 15,375,461.40
  4. Step 4: Simplify right side
    30,492,005.40x = 703,242,978,054,437.38
  5. Step 5: Solve for x
    x = 703,242,978,054,437.38/30,492,005.40
  6. Step 6: Final answer
    x = 23,063,192.10

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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.