Home / 13,460,411.70-18,575,272.35-7,348,840.20

Finding the Fourth Proportional to 13,460,411.70, 18,575,272.35 and 7,348,840.20

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Solution

The fourth proportional to 13,460,411.70, 18,575,272.35 and 7,348,840.20 is: 10,141,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,411.70 : 18,575,272.35 = 7,348,840.20 : x
  2. Step 2: Convert to fraction form
    13,460,411.70/18,575,272.35 = 7,348,840.20/x
  3. Step 3: Cross multiply
    13,460,411.70x = 18,575,272.35 × 7,348,840.20
  4. Step 4: Simplify right side
    13,460,411.70x = 136,506,708,171,628.48
  5. Step 5: Solve for x
    x = 136,506,708,171,628.48/13,460,411.70
  6. Step 6: Final answer
    x = 10,141,347.18

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1.5x scale

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.