Home / 28,909,864.15-39,904,546.02-18,596,587.25

Finding the Fourth Proportional to 28,909,864.15, 39,904,546.02 and 18,596,587.25

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Solution

The fourth proportional to 28,909,864.15, 39,904,546.02 and 18,596,587.25 is: 25,669,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909,864.15 : 39,904,546.02 = 18,596,587.25 : x
  2. Step 2: Convert to fraction form
    28,909,864.15/39,904,546.02 = 18,596,587.25/x
  3. Step 3: Cross multiply
    28,909,864.15x = 39,904,546.02 × 18,596,587.25
  4. Step 4: Simplify right side
    28,909,864.15x = 742,088,371,538,131.25
  5. Step 5: Solve for x
    x = 742,088,371,538,131.25/28,909,864.15
  6. Step 6: Final answer
    x = 25,669,036.96

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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.