Home / 9,778,856.60-14,668,284.90-8,938,357.40

Finding the Fourth Proportional to 9,778,856.60, 14,668,284.90 and 8,938,357.40

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Solution

The fourth proportional to 9,778,856.60, 14,668,284.90 and 8,938,357.40 is: 13,407,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,856.60 : 14,668,284.90 = 8,938,357.40 : x
  2. Step 2: Convert to fraction form
    9,778,856.60/14,668,284.90 = 8,938,357.40/x
  3. Step 3: Cross multiply
    9,778,856.60x = 14,668,284.90 × 8,938,357.40
  4. Step 4: Simplify right side
    9,778,856.60x = 131,110,372,881,223.27
  5. Step 5: Solve for x
    x = 131,110,372,881,223.27/9,778,856.60
  6. Step 6: Final answer
    x = 13,407,536.10

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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.