Home / 21,475,566.32-29,637,557.16-12,308,801.36

Finding the Fourth Proportional to 21,475,566.32, 29,637,557.16 and 12,308,801.36

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Solution

The fourth proportional to 21,475,566.32, 29,637,557.16 and 12,308,801.36 is: 16,986,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475,566.32 : 29,637,557.16 = 12,308,801.36 : x
  2. Step 2: Convert to fraction form
    21,475,566.32/29,637,557.16 = 12,308,801.36/x
  3. Step 3: Cross multiply
    21,475,566.32x = 29,637,557.16 × 12,308,801.36
  4. Step 4: Simplify right side
    21,475,566.32x = 364,802,803,878,085.75
  5. Step 5: Solve for x
    x = 364,802,803,878,085.75/21,475,566.32
  6. Step 6: Final answer
    x = 16,986,877.01

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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.