Finding the Fourth Proportional to 13,122,409.68, 19,684,642.14 and 3,537,641.52
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Solution
The fourth proportional to 13,122,409.68, 19,684,642.14 and 3,537,641.52 is: 5,306,739.31
Step by Step Solution
- Step 1: Write the proportion equation
13,122,409.68 : 19,684,642.14 = 3,537,641.52 : x - Step 2: Convert to fraction form
13,122,409.68/19,684,642.14 = 3,537,641.52/x - Step 3: Cross multiply
13,122,409.68x = 19,684,642.14 × 3,537,641.52 - Step 4: Simplify right side
13,122,409.68x = 69,637,207,340,805.66 - Step 5: Solve for x
x = 69,637,207,340,805.66/13,122,409.68 - Step 6: Final answer
x = 5,306,739.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.