Finding the Fourth Proportional to 13,235,860.68, 19,792,840.14 and 12,590,159.46
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Solution
The fourth proportional to 13,235,860.68, 19,792,840.14 and 12,590,159.46 is: 18,827,261.75
Step by Step Solution
- Step 1: Write the proportion equation
13,235,860.68 : 19,792,840.14 = 12,590,159.46 : x - Step 2: Convert to fraction form
13,235,860.68/19,792,840.14 = 12,590,159.46/x - Step 3: Cross multiply
13,235,860.68x = 19,792,840.14 × 12,590,159.46 - Step 4: Simplify right side
13,235,860.68x = 249,195,013,528,888.75 - Step 5: Solve for x
x = 249,195,013,528,888.75/13,235,860.68 - Step 6: Final answer
x = 18,827,261.75
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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.