Home / 21,186,364.08-29,234,807.64-12,483,970.32

Finding the Fourth Proportional to 21,186,364.08, 29,234,807.64 and 12,483,970.32

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Solution

The fourth proportional to 21,186,364.08, 29,234,807.64 and 12,483,970.32 is: 17,226,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,186,364.08 : 29,234,807.64 = 12,483,970.32 : x
  2. Step 2: Convert to fraction form
    21,186,364.08/29,234,807.64 = 12,483,970.32/x
  3. Step 3: Cross multiply
    21,186,364.08x = 29,234,807.64 × 12,483,970.32
  4. Step 4: Simplify right side
    21,186,364.08x = 364,966,470,888,669.25
  5. Step 5: Solve for x
    x = 364,966,470,888,669.25/21,186,364.08
  6. Step 6: Final answer
    x = 17,226,479.71

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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.