Finding the Fourth Proportional to 19,351,973.67, 29,021,044.01 and 6,395,726.40
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Solution
The fourth proportional to 19,351,973.67, 29,021,044.01 and 6,395,726.40 is: 9,591,303.73
Step by Step Solution
- Step 1: Write the proportion equation
19,351,973.67 : 29,021,044.01 = 6,395,726.40 : x - Step 2: Convert to fraction form
19,351,973.67/29,021,044.01 = 6,395,726.40/x - Step 3: Cross multiply
19,351,973.67x = 29,021,044.01 × 6,395,726.40 - Step 4: Simplify right side
19,351,973.67x = 185,610,657,298,340.25 - Step 5: Solve for x
x = 185,610,657,298,340.25/19,351,973.67 - Step 6: Final answer
x = 9,591,303.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.