Home / 30,146,089.14-45,212,343.08-8,580,213.36

Finding the Fourth Proportional to 30,146,089.14, 45,212,343.08 and 8,580,213.36

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Solution

The fourth proportional to 30,146,089.14, 45,212,343.08 and 8,580,213.36 is: 12,868,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,089.14 : 45,212,343.08 = 8,580,213.36 : x
  2. Step 2: Convert to fraction form
    30,146,089.14/45,212,343.08 = 8,580,213.36/x
  3. Step 3: Cross multiply
    30,146,089.14x = 45,212,343.08 × 8,580,213.36
  4. Step 4: Simplify right side
    30,146,089.14x = 387,931,550,089,018.50
  5. Step 5: Solve for x
    x = 387,931,550,089,018.50/30,146,089.14
  6. Step 6: Final answer
    x = 12,868,387.28

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1.5x scale

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.