Home / 21,712,841.50-32,570,309.73-7,139,438.35

Finding the Fourth Proportional to 21,712,841.50, 32,570,309.73 and 7,139,438.35

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Solution

The fourth proportional to 21,712,841.50, 32,570,309.73 and 7,139,438.35 is: 10,709,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,841.50 : 32,570,309.73 = 7,139,438.35 : x
  2. Step 2: Convert to fraction form
    21,712,841.50/32,570,309.73 = 7,139,438.35/x
  3. Step 3: Cross multiply
    21,712,841.50x = 32,570,309.73 × 7,139,438.35
  4. Step 4: Simplify right side
    21,712,841.50x = 232,533,718,425,225.94
  5. Step 5: Solve for x
    x = 232,533,718,425,225.94/21,712,841.50
  6. Step 6: Final answer
    x = 10,709,501.95

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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.