Home / 19,513,661-26,913,688.50-13,323,686.60

Finding the Fourth Proportional to 19,513,661, 26,913,688.50 and 13,323,686.60

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Solution

The fourth proportional to 19,513,661, 26,913,688.50 and 13,323,686.60 is: 18,376,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513,661 : 26,913,688.50 = 13,323,686.60 : x
  2. Step 2: Convert to fraction form
    19,513,661/26,913,688.50 = 13,323,686.60/x
  3. Step 3: Cross multiply
    19,513,661x = 26,913,688.50 × 13,323,686.60
  4. Step 4: Simplify right side
    19,513,661x = 358,589,550,824,024.06
  5. Step 5: Solve for x
    x = 358,589,550,824,024.06/19,513,661
  6. Step 6: Final answer
    x = 18,376,333.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.