Home / 10,249,934.40-15,374,901.60-6,480,129.60

Finding the Fourth Proportional to 10,249,934.40, 15,374,901.60 and 6,480,129.60

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Solution

The fourth proportional to 10,249,934.40, 15,374,901.60 and 6,480,129.60 is: 9,720,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249,934.40 : 15,374,901.60 = 6,480,129.60 : x
  2. Step 2: Convert to fraction form
    10,249,934.40/15,374,901.60 = 6,480,129.60/x
  3. Step 3: Cross multiply
    10,249,934.40x = 15,374,901.60 × 6,480,129.60
  4. Step 4: Simplify right side
    10,249,934.40x = 99,631,354,955,247.36
  5. Step 5: Solve for x
    x = 99,631,354,955,247.36/10,249,934.40
  6. Step 6: Final answer
    x = 9,720,194.40

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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.