Home / 31,434,581.19-47,151,882.69-14,142,586.98

Finding the Fourth Proportional to 31,434,581.19, 47,151,882.69 and 14,142,586.98

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Solution

The fourth proportional to 31,434,581.19, 47,151,882.69 and 14,142,586.98 is: 21,213,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434,581.19 : 47,151,882.69 = 14,142,586.98 : x
  2. Step 2: Convert to fraction form
    31,434,581.19/47,151,882.69 = 14,142,586.98/x
  3. Step 3: Cross multiply
    31,434,581.19x = 47,151,882.69 × 14,142,586.98
  4. Step 4: Simplify right side
    31,434,581.19x = 666,849,602,214,081.38
  5. Step 5: Solve for x
    x = 666,849,602,214,081.38/31,434,581.19
  6. Step 6: Final answer
    x = 21,213,885.38

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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.