Home / 13,774,467.72-19,003,631.22-8,615,869.32

Finding the Fourth Proportional to 13,774,467.72, 19,003,631.22 and 8,615,869.32

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Solution

The fourth proportional to 13,774,467.72, 19,003,631.22 and 8,615,869.32 is: 11,886,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,467.72 : 19,003,631.22 = 8,615,869.32 : x
  2. Step 2: Convert to fraction form
    13,774,467.72/19,003,631.22 = 8,615,869.32/x
  3. Step 3: Cross multiply
    13,774,467.72x = 19,003,631.22 × 8,615,869.32
  4. Step 4: Simplify right side
    13,774,467.72x = 163,732,803,196,992.16
  5. Step 5: Solve for x
    x = 163,732,803,196,992.16/13,774,467.72
  6. Step 6: Final answer
    x = 11,886,688.22

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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.