Home / 10,017,870.52-13,824,665.80-5,666,864.39

Finding the Fourth Proportional to 10,017,870.52, 13,824,665.80 and 5,666,864.39

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Solution

The fourth proportional to 10,017,870.52, 13,824,665.80 and 5,666,864.39 is: 7,820,275.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017,870.52 : 13,824,665.80 = 5,666,864.39 : x
  2. Step 2: Convert to fraction form
    10,017,870.52/13,824,665.80 = 5,666,864.39/x
  3. Step 3: Cross multiply
    10,017,870.52x = 13,824,665.80 × 5,666,864.39
  4. Step 4: Simplify right side
    10,017,870.52x = 78,342,506,325,670.86
  5. Step 5: Solve for x
    x = 78,342,506,325,670.86/10,017,870.52
  6. Step 6: Final answer
    x = 7,820,275.39

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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.