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Finding the Fourth Proportional to 17,670,909.40, 26,506,364.10 and 9,986,666.20

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Solution

The fourth proportional to 17,670,909.40, 26,506,364.10 and 9,986,666.20 is: 14,979,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670,909.40 : 26,506,364.10 = 9,986,666.20 : x
  2. Step 2: Convert to fraction form
    17,670,909.40/26,506,364.10 = 9,986,666.20/x
  3. Step 3: Cross multiply
    17,670,909.40x = 26,506,364.10 × 9,986,666.20
  4. Step 4: Simplify right side
    17,670,909.40x = 264,710,210,442,363.41
  5. Step 5: Solve for x
    x = 264,710,210,442,363.41/17,670,909.40
  6. Step 6: Final answer
    x = 14,979,999.30

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