Finding the Fourth Proportional to 40,943,952.80, 61,415,929.20 and 19,420,592.30
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Solution
The fourth proportional to 40,943,952.80, 61,415,929.20 and 19,420,592.30 is: 29,130,888.45
Step by Step Solution
- Step 1: Write the proportion equation
40,943,952.80 : 61,415,929.20 = 19,420,592.30 : x - Step 2: Convert to fraction form
40,943,952.80/61,415,929.20 = 19,420,592.30/x - Step 3: Cross multiply
40,943,952.80x = 61,415,929.20 × 19,420,592.30 - Step 4: Simplify right side
40,943,952.80x = 1,192,733,721,718,865.25 - Step 5: Solve for x
x = 1,192,733,721,718,865.25/40,943,952.80 - Step 6: Final answer
x = 29,130,888.45
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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.