Home / 40,706,970.09-61,010,430.13-18,817,740.48

Finding the Fourth Proportional to 40,706,970.09, 61,010,430.13 and 18,817,740.48

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Solution

The fourth proportional to 40,706,970.09, 61,010,430.13 and 18,817,740.48 is: 28,203,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706,970.09 : 61,010,430.13 = 18,817,740.48 : x
  2. Step 2: Convert to fraction form
    40,706,970.09/61,010,430.13 = 18,817,740.48/x
  3. Step 3: Cross multiply
    40,706,970.09x = 61,010,430.13 × 18,817,740.48
  4. Step 4: Simplify right side
    40,706,970.09x = 1,148,078,441,011,824
  5. Step 5: Solve for x
    x = 1,148,078,441,011,824/40,706,970.09
  6. Step 6: Final answer
    x = 28,203,485.51

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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.