Home / 15,807,631.36-21,814,527-8,564,287.36

Finding the Fourth Proportional to 15,807,631.36, 21,814,527 and 8,564,287.36

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Solution

The fourth proportional to 15,807,631.36, 21,814,527 and 8,564,287.36 is: 11,818,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807,631.36 : 21,814,527 = 8,564,287.36 : x
  2. Step 2: Convert to fraction form
    15,807,631.36/21,814,527 = 8,564,287.36/x
  3. Step 3: Cross multiply
    15,807,631.36x = 21,814,527 × 8,564,287.36
  4. Step 4: Simplify right side
    15,807,631.36x = 186,825,877,850,478.72
  5. Step 5: Solve for x
    x = 186,825,877,850,478.72/15,807,631.36
  6. Step 6: Final answer
    x = 11,818,714.24

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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.