Home / 10,602,746.40-15,904,119.60-9,888,909.60

Finding the Fourth Proportional to 10,602,746.40, 15,904,119.60 and 9,888,909.60

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Solution

The fourth proportional to 10,602,746.40, 15,904,119.60 and 9,888,909.60 is: 14,833,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602,746.40 : 15,904,119.60 = 9,888,909.60 : x
  2. Step 2: Convert to fraction form
    10,602,746.40/15,904,119.60 = 9,888,909.60/x
  3. Step 3: Cross multiply
    10,602,746.40x = 15,904,119.60 × 9,888,909.60
  4. Step 4: Simplify right side
    10,602,746.40x = 157,274,400,991,988.16
  5. Step 5: Solve for x
    x = 157,274,400,991,988.16/10,602,746.40
  6. Step 6: Final answer
    x = 14,833,364.40

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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.