Home / 10,369,870.60-15,554,805.90-7,794,459.40

Finding the Fourth Proportional to 10,369,870.60, 15,554,805.90 and 7,794,459.40

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Solution

The fourth proportional to 10,369,870.60, 15,554,805.90 and 7,794,459.40 is: 11,691,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,870.60 : 15,554,805.90 = 7,794,459.40 : x
  2. Step 2: Convert to fraction form
    10,369,870.60/15,554,805.90 = 7,794,459.40/x
  3. Step 3: Cross multiply
    10,369,870.60x = 15,554,805.90 × 7,794,459.40
  4. Step 4: Simplify right side
    10,369,870.60x = 121,241,303,062,430.47
  5. Step 5: Solve for x
    x = 121,241,303,062,430.47/10,369,870.60
  6. Step 6: Final answer
    x = 11,691,689.10

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1.5x scale

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.