Home / 13,838,641.20-19,097,210.76-7,559,173.68

Finding the Fourth Proportional to 13,838,641.20, 19,097,210.76 and 7,559,173.68

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Solution

The fourth proportional to 13,838,641.20, 19,097,210.76 and 7,559,173.68 is: 10,431,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838,641.20 : 19,097,210.76 = 7,559,173.68 : x
  2. Step 2: Convert to fraction form
    13,838,641.20/19,097,210.76 = 7,559,173.68/x
  3. Step 3: Cross multiply
    13,838,641.20x = 19,097,210.76 × 7,559,173.68
  4. Step 4: Simplify right side
    13,838,641.20x = 144,359,132,938,404.81
  5. Step 5: Solve for x
    x = 144,359,132,938,404.81/13,838,641.20
  6. Step 6: Final answer
    x = 10,431,597.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.