Home / 9,881,987.60-14,822,981.40-9,787,509.20

Finding the Fourth Proportional to 9,881,987.60, 14,822,981.40 and 9,787,509.20

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Solution

The fourth proportional to 9,881,987.60, 14,822,981.40 and 9,787,509.20 is: 14,681,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881,987.60 : 14,822,981.40 = 9,787,509.20 : x
  2. Step 2: Convert to fraction form
    9,881,987.60/14,822,981.40 = 9,787,509.20/x
  3. Step 3: Cross multiply
    9,881,987.60x = 14,822,981.40 × 9,787,509.20
  4. Step 4: Simplify right side
    9,881,987.60x = 145,080,066,823,928.88
  5. Step 5: Solve for x
    x = 145,080,066,823,928.88/9,881,987.60
  6. Step 6: Final answer
    x = 14,681,263.80

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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.