Home / 19,277,769.40-28,860,666.90-18,717,897.40

Finding the Fourth Proportional to 19,277,769.40, 28,860,666.90 and 18,717,897.40

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Solution

The fourth proportional to 19,277,769.40, 28,860,666.90 and 18,717,897.40 is: 28,022,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277,769.40 : 28,860,666.90 = 18,717,897.40 : x
  2. Step 2: Convert to fraction form
    19,277,769.40/28,860,666.90 = 18,717,897.40/x
  3. Step 3: Cross multiply
    19,277,769.40x = 28,860,666.90 × 18,717,897.40
  4. Step 4: Simplify right side
    19,277,769.40x = 540,211,001,929,776
  5. Step 5: Solve for x
    x = 540,211,001,929,776/19,277,769.40
  6. Step 6: Final answer
    x = 28,022,484.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.