Home / 10,371,427.80-15,521,712.30-9,095,969.40

Finding the Fourth Proportional to 10,371,427.80, 15,521,712.30 and 9,095,969.40

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Solution

The fourth proportional to 10,371,427.80, 15,521,712.30 and 9,095,969.40 is: 13,612,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,427.80 : 15,521,712.30 = 9,095,969.40 : x
  2. Step 2: Convert to fraction form
    10,371,427.80/15,521,712.30 = 9,095,969.40/x
  3. Step 3: Cross multiply
    10,371,427.80x = 15,521,712.30 × 9,095,969.40
  4. Step 4: Simplify right side
    10,371,427.80x = 141,185,020,116,403.62
  5. Step 5: Solve for x
    x = 141,185,020,116,403.62/10,371,427.80
  6. Step 6: Final answer
    x = 13,612,881.74

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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.