Finding the Fourth Proportional to 29,158,566.98, 40,238,722.80 and 16,768,075.41
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Solution
The fourth proportional to 29,158,566.98, 40,238,722.80 and 16,768,075.41 is: 23,139,886.77
Step by Step Solution
- Step 1: Write the proportion equation
29,158,566.98 : 40,238,722.80 = 16,768,075.41 : x - Step 2: Convert to fraction form
29,158,566.98/40,238,722.80 = 16,768,075.41/x - Step 3: Cross multiply
29,158,566.98x = 40,238,722.80 × 16,768,075.41 - Step 4: Simplify right side
29,158,566.98x = 674,725,938,312,486.25 - Step 5: Solve for x
x = 674,725,938,312,486.25/29,158,566.98 - Step 6: Final answer
x = 23,139,886.77
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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.