Home / 28,909,869.42-39,904,553.27-18,596,592.52

Finding the Fourth Proportional to 28,909,869.42, 39,904,553.27 and 18,596,592.52

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Solution

The fourth proportional to 28,909,869.42, 39,904,553.27 and 18,596,592.52 is: 25,669,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909,869.42 : 39,904,553.27 = 18,596,592.52 : x
  2. Step 2: Convert to fraction form
    28,909,869.42/39,904,553.27 = 18,596,592.52/x
  3. Step 3: Cross multiply
    28,909,869.42x = 39,904,553.27 × 18,596,592.52
  4. Step 4: Simplify right side
    28,909,869.42x = 742,088,716,662,079.12
  5. Step 5: Solve for x
    x = 742,088,716,662,079.12/28,909,869.42
  6. Step 6: Final answer
    x = 25,669,044.22

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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.