Home / 9,781,864.60-14,675,421.30-8,724,231.40

Finding the Fourth Proportional to 9,781,864.60, 14,675,421.30 and 8,724,231.40

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Solution

The fourth proportional to 9,781,864.60, 14,675,421.30 and 8,724,231.40 is: 13,088,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,864.60 : 14,675,421.30 = 8,724,231.40 : x
  2. Step 2: Convert to fraction form
    9,781,864.60/14,675,421.30 = 8,724,231.40/x
  3. Step 3: Cross multiply
    9,781,864.60x = 14,675,421.30 × 8,724,231.40
  4. Step 4: Simplify right side
    9,781,864.60x = 128,031,771,313,688.83
  5. Step 5: Solve for x
    x = 128,031,771,313,688.83/9,781,864.60
  6. Step 6: Final answer
    x = 13,088,687.75

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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.