Home / 18,931,632.41-26,127,728.71-10,985,925.16

Finding the Fourth Proportional to 18,931,632.41, 26,127,728.71 and 10,985,925.16

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Solution

The fourth proportional to 18,931,632.41, 26,127,728.71 and 10,985,925.16 is: 15,161,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,632.41 : 26,127,728.71 = 10,985,925.16 : x
  2. Step 2: Convert to fraction form
    18,931,632.41/26,127,728.71 = 10,985,925.16/x
  3. Step 3: Cross multiply
    18,931,632.41x = 26,127,728.71 × 10,985,925.16
  4. Step 4: Simplify right side
    18,931,632.41x = 287,037,272,214,038.19
  5. Step 5: Solve for x
    x = 287,037,272,214,038.19/18,931,632.41
  6. Step 6: Final answer
    x = 15,161,781.40

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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.