Home / 13,133,698.44-19,712,657.86-6,661,316.32

Finding the Fourth Proportional to 13,133,698.44, 19,712,657.86 and 6,661,316.32

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Solution

The fourth proportional to 13,133,698.44, 19,712,657.86 and 6,661,316.32 is: 9,998,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133,698.44 : 19,712,657.86 = 6,661,316.32 : x
  2. Step 2: Convert to fraction form
    13,133,698.44/19,712,657.86 = 6,661,316.32/x
  3. Step 3: Cross multiply
    13,133,698.44x = 19,712,657.86 × 6,661,316.32
  4. Step 4: Simplify right side
    13,133,698.44x = 131,312,249,513,394.28
  5. Step 5: Solve for x
    x = 131,312,249,513,394.28/13,133,698.44
  6. Step 6: Final answer
    x = 9,998,116.69

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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.