Home / 19,921,323.60-29,881,985.40-9,822,632.40

Finding the Fourth Proportional to 19,921,323.60, 29,881,985.40 and 9,822,632.40

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Solution

The fourth proportional to 19,921,323.60, 29,881,985.40 and 9,822,632.40 is: 14,733,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921,323.60 : 29,881,985.40 = 9,822,632.40 : x
  2. Step 2: Convert to fraction form
    19,921,323.60/29,881,985.40 = 9,822,632.40/x
  3. Step 3: Cross multiply
    19,921,323.60x = 29,881,985.40 × 9,822,632.40
  4. Step 4: Simplify right side
    19,921,323.60x = 293,519,757,966,366.94
  5. Step 5: Solve for x
    x = 293,519,757,966,366.94/19,921,323.60
  6. Step 6: Final answer
    x = 14,733,948.60

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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.