Home / 14,518,686.76-21,778,030.70-5,421,494.68

Finding the Fourth Proportional to 14,518,686.76, 21,778,030.70 and 5,421,494.68

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Solution

The fourth proportional to 14,518,686.76, 21,778,030.70 and 5,421,494.68 is: 8,132,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518,686.76 : 21,778,030.70 = 5,421,494.68 : x
  2. Step 2: Convert to fraction form
    14,518,686.76/21,778,030.70 = 5,421,494.68/x
  3. Step 3: Cross multiply
    14,518,686.76x = 21,778,030.70 × 5,421,494.68
  4. Step 4: Simplify right side
    14,518,686.76x = 118,069,477,580,926.67
  5. Step 5: Solve for x
    x = 118,069,477,580,926.67/14,518,686.76
  6. Step 6: Final answer
    x = 8,132,242.23

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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.