Home / 13,053,355.36-18,012,574.32-7,547,083.52

Finding the Fourth Proportional to 13,053,355.36, 18,012,574.32 and 7,547,083.52

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Solution

The fourth proportional to 13,053,355.36, 18,012,574.32 and 7,547,083.52 is: 10,414,364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,355.36 : 18,012,574.32 = 7,547,083.52 : x
  2. Step 2: Convert to fraction form
    13,053,355.36/18,012,574.32 = 7,547,083.52/x
  3. Step 3: Cross multiply
    13,053,355.36x = 18,012,574.32 × 7,547,083.52
  4. Step 4: Simplify right side
    13,053,355.36x = 135,942,402,803,247.20
  5. Step 5: Solve for x
    x = 135,942,402,803,247.20/13,053,355.36
  6. Step 6: Final answer
    x = 10,414,364.66

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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.