Home / 30,502,044.14-42,077,256.54-19,477,202.18

Finding the Fourth Proportional to 30,502,044.14, 42,077,256.54 and 19,477,202.18

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Solution

The fourth proportional to 30,502,044.14, 42,077,256.54 and 19,477,202.18 is: 26,868,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502,044.14 : 42,077,256.54 = 19,477,202.18 : x
  2. Step 2: Convert to fraction form
    30,502,044.14/42,077,256.54 = 19,477,202.18/x
  3. Step 3: Cross multiply
    30,502,044.14x = 42,077,256.54 × 19,477,202.18
  4. Step 4: Simplify right side
    30,502,044.14x = 819,547,232,598,921
  5. Step 5: Solve for x
    x = 819,547,232,598,921/30,502,044.14
  6. Step 6: Final answer
    x = 26,868,600.31

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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.