Home / 13,289,623.29-19,903,460.40-12,829,345.47

Finding the Fourth Proportional to 13,289,623.29, 19,903,460.40 and 12,829,345.47

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Solution

The fourth proportional to 13,289,623.29, 19,903,460.40 and 12,829,345.47 is: 19,214,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,623.29 : 19,903,460.40 = 12,829,345.47 : x
  2. Step 2: Convert to fraction form
    13,289,623.29/19,903,460.40 = 12,829,345.47/x
  3. Step 3: Cross multiply
    13,289,623.29x = 19,903,460.40 × 12,829,345.47
  4. Step 4: Simplify right side
    13,289,623.29x = 255,348,369,520,064.38
  5. Step 5: Solve for x
    x = 255,348,369,520,064.38/13,289,623.29
  6. Step 6: Final answer
    x = 19,214,116.45

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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.