Home / 10,342,362.40-15,513,543.60-8,748,039.40

Finding the Fourth Proportional to 10,342,362.40, 15,513,543.60 and 8,748,039.40

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Solution

The fourth proportional to 10,342,362.40, 15,513,543.60 and 8,748,039.40 is: 13,122,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,362.40 : 15,513,543.60 = 8,748,039.40 : x
  2. Step 2: Convert to fraction form
    10,342,362.40/15,513,543.60 = 8,748,039.40/x
  3. Step 3: Cross multiply
    10,342,362.40x = 15,513,543.60 × 8,748,039.40
  4. Step 4: Simplify right side
    10,342,362.40x = 135,713,090,646,417.84
  5. Step 5: Solve for x
    x = 135,713,090,646,417.84/10,342,362.40
  6. Step 6: Final answer
    x = 13,122,059.10

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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.