Home / 28,390,527.42-42,674,693.18-18,737,181.51

Finding the Fourth Proportional to 28,390,527.42, 42,674,693.18 and 18,737,181.51

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Solution

The fourth proportional to 28,390,527.42, 42,674,693.18 and 18,737,181.51 is: 28,164,445.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,390,527.42 : 42,674,693.18 = 18,737,181.51 : x
  2. Step 2: Convert to fraction form
    28,390,527.42/42,674,693.18 = 18,737,181.51/x
  3. Step 3: Cross multiply
    28,390,527.42x = 42,674,693.18 × 18,737,181.51
  4. Step 4: Simplify right side
    28,390,527.42x = 799,603,471,903,533.25
  5. Step 5: Solve for x
    x = 799,603,471,903,533.25/28,390,527.42
  6. Step 6: Final answer
    x = 28,164,445.84

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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.