Home / 10,342,369.40-15,513,554.10-8,748,046.40

Finding the Fourth Proportional to 10,342,369.40, 15,513,554.10 and 8,748,046.40

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Solution

The fourth proportional to 10,342,369.40, 15,513,554.10 and 8,748,046.40 is: 13,122,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,369.40 : 15,513,554.10 = 8,748,046.40 : x
  2. Step 2: Convert to fraction form
    10,342,369.40/15,513,554.10 = 8,748,046.40/x
  3. Step 3: Cross multiply
    10,342,369.40x = 15,513,554.10 × 8,748,046.40
  4. Step 4: Simplify right side
    10,342,369.40x = 135,713,291,095,710.25
  5. Step 5: Solve for x
    x = 135,713,291,095,710.25/10,342,369.40
  6. Step 6: Final answer
    x = 13,122,069.60

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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.