Home / 40,706,970.46-61,010,430.69-18,817,740.86

Finding the Fourth Proportional to 40,706,970.46, 61,010,430.69 and 18,817,740.86

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Solution

The fourth proportional to 40,706,970.46, 61,010,430.69 and 18,817,740.86 is: 28,203,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706,970.46 : 61,010,430.69 = 18,817,740.86 : x
  2. Step 2: Convert to fraction form
    40,706,970.46/61,010,430.69 = 18,817,740.86/x
  3. Step 3: Cross multiply
    40,706,970.46x = 61,010,430.69 × 18,817,740.86
  4. Step 4: Simplify right side
    40,706,970.46x = 1,148,078,474,176,358.75
  5. Step 5: Solve for x
    x = 1,148,078,474,176,358.75/40,706,970.46
  6. Step 6: Final answer
    x = 28,203,486.07

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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.