Finding the Fourth Proportional to 13,235,856.06, 19,792,833.20 and 12,590,154.84
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Solution
The fourth proportional to 13,235,856.06, 19,792,833.20 and 12,590,154.84 is: 18,827,254.82
Step by Step Solution
- Step 1: Write the proportion equation
13,235,856.06 : 19,792,833.20 = 12,590,154.84 : x - Step 2: Convert to fraction form
13,235,856.06/19,792,833.20 = 12,590,154.84/x - Step 3: Cross multiply
13,235,856.06x = 19,792,833.20 × 12,590,154.84 - Step 4: Simplify right side
13,235,856.06x = 249,194,834,642,803.94 - Step 5: Solve for x
x = 249,194,834,642,803.94/13,235,856.06 - Step 6: Final answer
x = 18,827,254.82
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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.