Home / 13,005,446.22-17,947,509.51-7,778,454.27

Finding the Fourth Proportional to 13,005,446.22, 17,947,509.51 and 7,778,454.27

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Solution

The fourth proportional to 13,005,446.22, 17,947,509.51 and 7,778,454.27 is: 10,734,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,446.22 : 17,947,509.51 = 7,778,454.27 : x
  2. Step 2: Convert to fraction form
    13,005,446.22/17,947,509.51 = 7,778,454.27/x
  3. Step 3: Cross multiply
    13,005,446.22x = 17,947,509.51 × 7,778,454.27
  4. Step 4: Simplify right side
    13,005,446.22x = 139,603,881,983,925.11
  5. Step 5: Solve for x
    x = 139,603,881,983,925.11/13,005,446.22
  6. Step 6: Final answer
    x = 10,734,263.14

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1.5x scale

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.