Home / 12,696,001.60-19,044,002.40-12,076,686.40

Finding the Fourth Proportional to 12,696,001.60, 19,044,002.40 and 12,076,686.40

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Solution

The fourth proportional to 12,696,001.60, 19,044,002.40 and 12,076,686.40 is: 18,115,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,001.60 : 19,044,002.40 = 12,076,686.40 : x
  2. Step 2: Convert to fraction form
    12,696,001.60/19,044,002.40 = 12,076,686.40/x
  3. Step 3: Cross multiply
    12,696,001.60x = 19,044,002.40 × 12,076,686.40
  4. Step 4: Simplify right side
    12,696,001.60x = 229,988,444,785,647.34
  5. Step 5: Solve for x
    x = 229,988,444,785,647.34/12,696,001.60
  6. Step 6: Final answer
    x = 18,115,029.60

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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.