Home / 13,561,980.19-18,715,539.95-7,450,802.35

Finding the Fourth Proportional to 13,561,980.19, 18,715,539.95 and 7,450,802.35

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Solution

The fourth proportional to 13,561,980.19, 18,715,539.95 and 7,450,802.35 is: 10,282,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,980.19 : 18,715,539.95 = 7,450,802.35 : x
  2. Step 2: Convert to fraction form
    13,561,980.19/18,715,539.95 = 7,450,802.35/x
  3. Step 3: Cross multiply
    13,561,980.19x = 18,715,539.95 × 7,450,802.35
  4. Step 4: Simplify right side
    13,561,980.19x = 139,445,788,984,876.53
  5. Step 5: Solve for x
    x = 139,445,788,984,876.53/13,561,980.19
  6. Step 6: Final answer
    x = 10,282,111.24

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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.