Home / 13,009,973.76-17,953,746.18-7,209,131.16

Finding the Fourth Proportional to 13,009,973.76, 17,953,746.18 and 7,209,131.16

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Solution

The fourth proportional to 13,009,973.76, 17,953,746.18 and 7,209,131.16 is: 9,948,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,973.76 : 17,953,746.18 = 7,209,131.16 : x
  2. Step 2: Convert to fraction form
    13,009,973.76/17,953,746.18 = 7,209,131.16/x
  3. Step 3: Cross multiply
    13,009,973.76x = 17,953,746.18 × 7,209,131.16
  4. Step 4: Simplify right side
    13,009,973.76x = 129,430,911,024,968.97
  5. Step 5: Solve for x
    x = 129,430,911,024,968.97/13,009,973.76
  6. Step 6: Final answer
    x = 9,948,591.24

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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.