Home / 31,353,083.40-47,035,681.58-11,920,798.50

Finding the Fourth Proportional to 31,353,083.40, 47,035,681.58 and 11,920,798.50

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Solution

The fourth proportional to 31,353,083.40, 47,035,681.58 and 11,920,798.50 is: 17,883,500.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,083.40 : 47,035,681.58 = 11,920,798.50 : x
  2. Step 2: Convert to fraction form
    31,353,083.40/47,035,681.58 = 11,920,798.50/x
  3. Step 3: Cross multiply
    31,353,083.40x = 47,035,681.58 × 11,920,798.50
  4. Step 4: Simplify right side
    31,353,083.40x = 560,702,882,425,341.62
  5. Step 5: Solve for x
    x = 560,702,882,425,341.62/31,353,083.40
  6. Step 6: Final answer
    x = 17,883,500.49

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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.