Home / 10,779,643.60-16,169,465.40-9,787,620.40

Finding the Fourth Proportional to 10,779,643.60, 16,169,465.40 and 9,787,620.40

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Solution

The fourth proportional to 10,779,643.60, 16,169,465.40 and 9,787,620.40 is: 14,681,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,643.60 : 16,169,465.40 = 9,787,620.40 : x
  2. Step 2: Convert to fraction form
    10,779,643.60/16,169,465.40 = 9,787,620.40/x
  3. Step 3: Cross multiply
    10,779,643.60x = 16,169,465.40 × 9,787,620.40
  4. Step 4: Simplify right side
    10,779,643.60x = 158,260,589,406,134.16
  5. Step 5: Solve for x
    x = 158,260,589,406,134.16/10,779,643.60
  6. Step 6: Final answer
    x = 14,681,430.60

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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.