Home / 30,468,881.40-42,047,056.80-17,416,423.08

Finding the Fourth Proportional to 30,468,881.40, 42,047,056.80 and 17,416,423.08

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Solution

The fourth proportional to 30,468,881.40, 42,047,056.80 and 17,416,423.08 is: 24,034,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468,881.40 : 42,047,056.80 = 17,416,423.08 : x
  2. Step 2: Convert to fraction form
    30,468,881.40/42,047,056.80 = 17,416,423.08/x
  3. Step 3: Cross multiply
    30,468,881.40x = 42,047,056.80 × 17,416,423.08
  4. Step 4: Simplify right side
    30,468,881.40x = 732,309,330,497,590.88
  5. Step 5: Solve for x
    x = 732,309,330,497,590.88/30,468,881.40
  6. Step 6: Final answer
    x = 24,034,664.12

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1.5x scale

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.