Home / 21,712,854.09-32,570,328.54-7,139,450.92

Finding the Fourth Proportional to 21,712,854.09, 32,570,328.54 and 7,139,450.92

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Solution

The fourth proportional to 21,712,854.09, 32,570,328.54 and 7,139,450.92 is: 10,709,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,854.09 : 32,570,328.54 = 7,139,450.92 : x
  2. Step 2: Convert to fraction form
    21,712,854.09/32,570,328.54 = 7,139,450.92/x
  3. Step 3: Cross multiply
    21,712,854.09x = 32,570,328.54 × 7,139,450.92
  4. Step 4: Simplify right side
    21,712,854.09x = 232,534,262,059,605.25
  5. Step 5: Solve for x
    x = 232,534,262,059,605.25/21,712,854.09
  6. Step 6: Final answer
    x = 10,709,520.78

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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.