Home / 13,559,943.90-18,712,858.53-7,365,111.77

Finding the Fourth Proportional to 13,559,943.90, 18,712,858.53 and 7,365,111.77

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Solution

The fourth proportional to 13,559,943.90, 18,712,858.53 and 7,365,111.77 is: 10,163,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559,943.90 : 18,712,858.53 = 7,365,111.77 : x
  2. Step 2: Convert to fraction form
    13,559,943.90/18,712,858.53 = 7,365,111.77/x
  3. Step 3: Cross multiply
    13,559,943.90x = 18,712,858.53 × 7,365,111.77
  4. Step 4: Simplify right side
    13,559,943.90x = 137,822,294,516,083.61
  5. Step 5: Solve for x
    x = 137,822,294,516,083.61/13,559,943.90
  6. Step 6: Final answer
    x = 10,163,928.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.