Home / 14,013,213.61-21,009,732.18-8,610,701.68

Finding the Fourth Proportional to 14,013,213.61, 21,009,732.18 and 8,610,701.68

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Solution

The fourth proportional to 14,013,213.61, 21,009,732.18 and 8,610,701.68 is: 12,909,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,213.61 : 21,009,732.18 = 8,610,701.68 : x
  2. Step 2: Convert to fraction form
    14,013,213.61/21,009,732.18 = 8,610,701.68/x
  3. Step 3: Cross multiply
    14,013,213.61x = 21,009,732.18 × 8,610,701.68
  4. Step 4: Simplify right side
    14,013,213.61x = 180,908,536,178,676.06
  5. Step 5: Solve for x
    x = 180,908,536,178,676.06/14,013,213.61
  6. Step 6: Final answer
    x = 12,909,853.60

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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.