Finding the Fourth Proportional to 19,440,567.86, 26,828,798.13 and 11,180,635.74
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Solution
The fourth proportional to 19,440,567.86, 26,828,798.13 and 11,180,635.74 is: 15,429,745.75
Step by Step Solution
- Step 1: Write the proportion equation
19,440,567.86 : 26,828,798.13 = 11,180,635.74 : x - Step 2: Convert to fraction form
19,440,567.86/26,828,798.13 = 11,180,635.74/x - Step 3: Cross multiply
19,440,567.86x = 26,828,798.13 × 11,180,635.74 - Step 4: Simplify right side
19,440,567.86x = 299,963,019,233,523.19 - Step 5: Solve for x
x = 299,963,019,233,523.19/19,440,567.86 - Step 6: Final answer
x = 15,429,745.75
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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.