Home / 30,669,818.42-42,316,800.46-18,745,614.02

Finding the Fourth Proportional to 30,669,818.42, 42,316,800.46 and 18,745,614.02

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Solution

The fourth proportional to 30,669,818.42, 42,316,800.46 and 18,745,614.02 is: 25,864,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669,818.42 : 42,316,800.46 = 18,745,614.02 : x
  2. Step 2: Convert to fraction form
    30,669,818.42/42,316,800.46 = 18,745,614.02/x
  3. Step 3: Cross multiply
    30,669,818.42x = 42,316,800.46 × 18,745,614.02
  4. Step 4: Simplify right side
    30,669,818.42x = 793,254,407,984,518.50
  5. Step 5: Solve for x
    x = 793,254,407,984,518.50/30,669,818.42
  6. Step 6: Final answer
    x = 25,864,333.37

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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.